Skip to main content

Woanya nsu wɔ w’aso mu? Sɛnea wubeyi afi hɔ dwoodwoo a wunsuro ni! (Asuguarefo Aso) .

Woanya nsu wɔ w’aso mu? Sɛnea wubeyi afi hɔ dwoodwoo a wunsuro ni! (Asuguarefo Aso) .

So woaguare awie nkyɛe? Anaasɛ wo ne wo nnamfonom agye w’ani kakra wɔ asuguarebea hɔ nkyɛe? Ɛtɔ da bi a, ɛno akyi no, so wote nka sɛ w’aso ayɛ ma, w’aso mu yɛ duru, na w’aso nso asɛe kakra? Yɛn nyinaa anya eyi mu osuahu. Mpɛn pii no, eyi nyɛ ɔhaw kɛse, nanso sɛ woannyi nsu yi amfi mu a, ɛtɔ mmere bi a ebetumi de ɔhaw nketenkete aba. Ɛnnɛ, yɛbɛka sɛnea wobɛyi saa nsuo yi afiri w’aso mu dwoodwoo, deɛ ɛsɛ sɛ woyɛ, ne deɛ ɛnsɛ sɛ woyɛ ho asɛm.

Sɛ nsu kɔ w’aso mu a, dɛn na ɛba ankasa?

Ɛnyɛ bere a woreguare anaa woreguare nko na nsu a ɛbɛkɔ w’aso mu no betumi aba, na mmom ebetumi aba bere a wo ho fifiri pii bere a wohyɛ aso a wɔde hyɛ wo aso mu no nso. Ade titiriw a ebetumi asi bere a nsu akɔhyɛ w’aso mu ne aso mu yare. Wɔ aduruyɛ mu no, yɛfrɛ eyi `Otitis Externa`. Nanso ne din a agye din ne `Swimmer's Ear` .

Sɛ yɛbɛka no tiawa a, mmoawa fi awosu mu te yɛn aso mu bere nyinaa. Eyi yɛ ade a ɛfata. Nanso sɛ nsu kɔ aso no mu a, saa baabi a ɛhɔ yɛ nwini no bɛyɛ baabi a mmoawa yi wo. Ɛno na ɔyare mmoawa bi ba na aso no fi ase yɛ yaw na ɛyɛ wo yaw.

Enti, ɛho hia sɛ woyi nsu fi aso no mu ntɛm ara sɛnea wobetumi, nanso nea ɛho hia sen biara no, wɔ ɔkwan a ahobammɔ wom sen biara so . Sɛ wode akwan a ɛnteɛ di dwuma a, wobɛma asiane a ɛwɔ hɔ sɛ wubenya ɔyare mmoawa no ayɛ kɛse sen sɛ wubesiw ano.

Nneɛma a ɛsɛ sɛ "yɛ" de yi nsu fi aso mu

Okay, enti ma yɛnhwɛ nea wubetumi ayɛ de ayi nsu afi w’aso mu dwoodwoo. Saa akwan yi yɛ mmerɛw yiye na mpɛn pii no ɛyɛ yiye.

Nea ɛsɛ sɛ wɔyɛ Ɔkwan bɛn so na wɔyɛ?
Aso no akyi a wobɛpopa Fa ntama a ɛyɛ mmerɛw anaa ntama a ɛho tew popa aso no akyi brɛoo. Mfa ntini no nhyɛ aso no mu da.
Nneɛma a ɛtwe ade ba fam a wɔma ho kwanDan wo ti kakra kɔ baabi a nsu no rekɔ. Bere koro no ara mu no, twe w’aso no mu nkakrankakra kɔ fam. Eyi bɛma aso no mu ayɛ tẽẽ kakra, na ama ayɛ mmerɛw sɛ nsu no bɛtwe afi mu.
Blow Dryer a Wɔde Di Dwuma Fa wo ti nhwi dryer no si baabi a ɛba fam koraa , kura mu bɛyɛ anammɔn biako fi w’aso ho, na ma mframa no nkɔ mu. Mfa ɔhyew nhyehyɛe nni dwuma anaasɛ nkura mu nbɛn w’aso da.
Aso a Wɔde Yɛ Aso a Wɔayɛ wɔ Fie Fa vinegar fitaa fã biako ne nsa a wɔde petepete ɔfã biako yɛ aduru. Fa eyi bɛyɛ teaspoon biako to w’aso mu, dan wo ti san w’akyi, na ma nsu no nkɔ bere tiaa bi akyi. Nsã no boa ma nsu no yɛ nwini, bere a vinegar no hwɛ mmoawa nyin so.

Nneɛma a ɛnsɛ sɛ "woyɛ" de yi nsu fi w'aso mu

Afei ma yɛnhwɛ nneɛma bi a nnipa pii yɛ a wonnim, nanso ebetumi asɛe wɔn aso na ama asiane a ɛwɔ hɔ sɛ wobenya ɔyare mmoawa no ayɛ kɛse. Mma nnyɛ saa nneɛma yi da.

Nea ɛnsɛ sɛ yɛyɛ Dɛn nti na asiane wom?
Cotton Swabs a Wɔde Di Dwuma Eyi ne mfomso kɛse a nnipa pii di. Ɛnyɛ nsu kɛkɛ na kotoku bud yi fi hɔ. Ɛpia efĩ, aso mu nsu, ne nsu kɔ aso no mu kɔ akyiri. Ebetumi ayi aso mu aduru a efi abɔde mu no afi hɔ nso, na asɛe aso no honam ani hwɛbea a ɛyɛ mmerɛw no.
Nsateaa anaa nnadewa a wɔde bɛhyɛ aso muEfĩ ne mmoawa a efi wo nnadewa mu betumi akɔ w’aso mu. Nea ɛsen saa no, w’aso mu were no yɛ mmerɛw yiye. Sɛ wo nnadewa twitwiw saa honam ani a, ɛnyɛ den sɛ ebetumi ama woanya ɔyare mmoawa a emu yɛ den.
Drops a Wɔde Di Dwuma wɔ Tebea Titiriw Mu Sɛ wo anaa wo ba no wɔ aso mu nhama wɔ wɔn aso mu, anaasɛ wususuw sɛ aso mu ntini apaapae a, mfa aso mu nsu anaa hydrogen peroxide biara nni dwuma a wunni aduruyɛfo afotu biara. Saa a wobɛyɛ no betumi asɛe aso no kɛse.

Wobɛyɛ dɛn ahu sɛnkyerɛnne ahorow a ɛkyerɛ sɛ obi anya ɔyare mmoawa?

Fa no sɛ sɛ wudi ahobammɔ nhyehyɛe a yɛaka ho asɛm wɔ atifi hɔ no akyi mpo a, nna abien anaa abiɛsa akyi no wuhu sɛ w’aso mu nsakrae kakra. Eyi betumi akyerɛ sɛ ɔyare mmoawa bi afi ase. Hwɛ yiye wɔ sɛnkyerɛnne ahorow a edidi so yi ho:

  • Aso no mu a ɛyɛ yaw a wontumi nnyina ano.
  • Aso no mu a ɛyɛ kɔkɔɔ .
  • Ɛyaw no kɔ soro bere a wɔretwe aso no akyi anaasɛ wɔremia akutu ketewaa a ɛwɔ aso no anim no so (tragus).
  • Nsu a emu da hɔ a hua nnim a ɛretu fi aso no mu.

Sɛ wowɔ saa sɛnkyerɛnne yi bi a, ntra fie bio. Hwɛ wo duruyɛfo ntɛm ara. Oduruyɛfo no bɛhwɛ w’aso mu na wakyerɛw w’aso aduru a ebekum mmoawa anaa ntontom a ɛde ɔyare no bae no. Eyi bɛboa ma ɛyaw, ahonhon, ne ɔhaw no afi hɔ ntɛm.

Wobɛyɛ dɛn asiw nsu a ankɔ w’aso mu?

So ɛnyɛ papa sɛ wubesiw ɔhaw bi ano ansa na asɔre sen sɛ wobɛhwehwɛ ano aduru bere a asɔre awie no? Nneɛma bi a wubetumi ayɛ de aboa ni.

1. Bɔ wo ho ban bere a woreguare no: Sɛ wotaa guare a, fa aso a ɛyɛ papa ne asuguare kyɛw di dwuma. Eyi bɛboa kɛse ma nsu ankɔ w’aso mu.

2. Hwɛ yiye bere a woreguare: Sɛ nsu kɔ w’aso mu bere a woreguare a, fa petroleum jelly (Vaseline) kakra gu kotoku mu na fa to aso no akyi. Eyi bɛma nsu atumi akɔ mu. Wubetumi nso adi saa kwan yi akyi bere a wode nneɛma te sɛ aduru a wɔde petepete ti nhwi anaa nea wɔde yɛ ti nhwi redi dwuma no.

3. Hwɛ yiye wɔ aso mu aduru ho: Aso mu aduru yɛ abɔde mu ade a ɛbɔ yɛn aso ho ban. Nanso nnipa binom wɔ aso mu aduru a ɛdɔɔso dodo. Sɛ ɛba saa a, hokwan kɛse wɔ hɔ sɛ nsu bɛkɔ mu. Sɛ wususuw sɛ wowɔ ɔhaw a ɛte saa a, mmɔ mmɔden da sɛ w’ankasa wubeyi aso mu aduru afi hɔ. Hwɛ wo duruyɛfo. Obetumi ayi afi hɔ dwoodwoo.

4. Hydrogen Peroxide wɔ aduruyɛ mu afotu nkutoo so:Sɛ wowɔ ɔhaw bi wɔ aso mu aduru pii ho a, ebia wo duruyɛfo bɛkamfo akyerɛ sɛ fa 3% hydrogen peroxide aduru a wɔde tew w’aso ho. Nanso nyɛ eyi a wo duruyɛfo no mpene so. Sɛ ɔkamfo kyerɛ nkutoo a, fa hydrogen peroxide fã biako fra nsu fã biako, fa aso a wɔde gu aso mu fa bɛyɛ fã gu w’aso mu, ma ɛnyɛ ahuru, na afei dan wo ti kɔ ɔfã biako na yi afi hɔ.

Nkrasɛm a Wɔde Kɔ Fie

  • Nsuo a ɛkɔ aso mu no tumi de ɔyare mmoawa te sɛ ‘Swimmer’s Ear’ (Otitis Externa) ba.
  • Fa akwan a ahobammɔ wom nkutoo di dwuma, te sɛ ti a wobɛdannan ne aso a wobɛtwe, na yi nsu fi mu.
  • Mfa kotoku, nsateaa, anaa biribiara a ano yɛ nnam nhyɛ w’aso mu esiane biribiara nti.
  • Sɛ wuhu sɛnkyerɛnne ahorow a ɛkyerɛ sɛ ɔyare bi wɔ hɔ, te sɛ aso a ɛyɛ wo yaw, ɛyɛ kɔkɔɔ, anaa ɛyaw a, kɔ wo duruyɛfo nkyɛn ntɛm ara.
  • Yɛ ahwɛyiye, te sɛ aso a wode hyɛ wo ho bere a woreguare no, na amma nsu ankɔ w’aso mu. Sɛ ɛho hia sɛ wuyi aso mu aduru a, nnyɛ w’ankasa, na mmom hwehwɛ aduruyɛfo afotu.

Nsuo a ɛwɔ aso mu, nsuo a ɛyi fi aso mu, asuguarefoɔ aso, otitis externa, aso mu yareɛ, aso mu yareɛ, aso mu yaw, aso mu yareɛ, aso aduru

Frequently Asked Questions (FAQ)

Wobɛyɛ dɛn ahu sɛnkyerɛnne ahorow a ɛkyerɛ sɛ obi anya ɔyare mmoawa?

Fa no sɛ sɛ wudi ahobammɔ nhyehyɛe a yɛaka ho asɛm wɔ atifi hɔ no akyi mpo a, nna abien anaa abiɛsa akyi no wuhu sɛ w’aso mu nsakrae kakra. Eyi betumi akyerɛ sɛ ɔyare mmoawa bi afi ase. Hwɛ yiye wɔ sɛnkyerɛnne ahorow a edidi so yi ho:

⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

💬 Comments (0)

Wɔnnya nyɛɛ nsɛm biara. Fa wo nsɛm no ka ho wɔ ha nea edi kan.

Fa wo nsɛm no ka ho

Yɛsrɛ wo bu akontaa: 4 + 7 =
Woanya nsu wɔ w’aso mu? Sɛnea wubeyi afi hɔ dwoodwoo a wunsuro ni! (Asuguarefo Aso) .
Ahobammɔ a Wobɛtena7, Kutawonsa, 2026

Woanya nsu wɔ w’aso mu? Sɛnea wubeyi afi hɔ dwoodwoo a wunsuro ni! (Asuguarefo Aso) .

So woaguare awie nkyɛe? Anaasɛ wo ne wo nnamfonom agye w’ani kakra wɔ asuguarebea hɔ nkyɛe? Ɛtɔ da bi a, ɛno akyi no, so wote nka sɛ w’aso ayɛ ma, w’aso mu yɛ duru, na w’aso nso asɛe kakra? Yɛn nyinaa anya eyi mu osuahu. Mpɛn pii no, eyi nyɛ ɔhaw kɛse, nanso sɛ woannyi nsu yi amfi mu a, ɛtɔ mmere bi a ebetumi de ɔhaw nketenkete aba. Ɛnnɛ, yɛbɛka sɛnea wobɛyi saa nsuo yi afiri w’aso mu dwoodwoo, deɛ ɛsɛ sɛ woyɛ, ne deɛ ɛnsɛ sɛ woyɛ ho asɛm.

Sɛ nsu kɔ w’aso mu a, dɛn na ɛba ankasa?

Ɛnyɛ bere a woreguare anaa woreguare nko na nsu a ɛbɛkɔ w’aso mu no betumi aba, na mmom ebetumi aba bere a wo ho fifiri pii bere a wohyɛ aso a wɔde hyɛ wo aso mu no nso. Ade titiriw a ebetumi asi bere a nsu akɔhyɛ w’aso mu ne aso mu yare. Wɔ aduruyɛ mu no, yɛfrɛ eyi `Otitis Externa`. Nanso ne din a agye din ne `Swimmer's Ear` .

Sɛ yɛbɛka no tiawa a, mmoawa fi awosu mu te yɛn aso mu bere nyinaa. Eyi yɛ ade a ɛfata. Nanso sɛ nsu kɔ aso no mu a, saa baabi a ɛhɔ yɛ nwini no bɛyɛ baabi a mmoawa yi wo. Ɛno na ɔyare mmoawa bi ba na aso no fi ase yɛ yaw na ɛyɛ wo yaw.

Enti, ɛho hia sɛ woyi nsu fi aso no mu ntɛm ara sɛnea wobetumi, nanso nea ɛho hia sen biara no, wɔ ɔkwan a ahobammɔ wom sen biara so . Sɛ wode akwan a ɛnteɛ di dwuma a, wobɛma asiane a ɛwɔ hɔ sɛ wubenya ɔyare mmoawa no ayɛ kɛse sen sɛ wubesiw ano.

Nneɛma a ɛsɛ sɛ "yɛ" de yi nsu fi aso mu

Okay, enti ma yɛnhwɛ nea wubetumi ayɛ de ayi nsu afi w’aso mu dwoodwoo. Saa akwan yi yɛ mmerɛw yiye na mpɛn pii no ɛyɛ yiye.

Nea ɛsɛ sɛ wɔyɛ Ɔkwan bɛn so na wɔyɛ?
Aso no akyi a wobɛpopa Fa ntama a ɛyɛ mmerɛw anaa ntama a ɛho tew popa aso no akyi brɛoo. Mfa ntini no nhyɛ aso no mu da.
Nneɛma a ɛtwe ade ba fam a wɔma ho kwanDan wo ti kakra kɔ baabi a nsu no rekɔ. Bere koro no ara mu no, twe w’aso no mu nkakrankakra kɔ fam. Eyi bɛma aso no mu ayɛ tẽẽ kakra, na ama ayɛ mmerɛw sɛ nsu no bɛtwe afi mu.
Blow Dryer a Wɔde Di Dwuma Fa wo ti nhwi dryer no si baabi a ɛba fam koraa , kura mu bɛyɛ anammɔn biako fi w’aso ho, na ma mframa no nkɔ mu. Mfa ɔhyew nhyehyɛe nni dwuma anaasɛ nkura mu nbɛn w’aso da.
Aso a Wɔde Yɛ Aso a Wɔayɛ wɔ Fie Fa vinegar fitaa fã biako ne nsa a wɔde petepete ɔfã biako yɛ aduru. Fa eyi bɛyɛ teaspoon biako to w’aso mu, dan wo ti san w’akyi, na ma nsu no nkɔ bere tiaa bi akyi. Nsã no boa ma nsu no yɛ nwini, bere a vinegar no hwɛ mmoawa nyin so.

Nneɛma a ɛnsɛ sɛ "woyɛ" de yi nsu fi w'aso mu

Afei ma yɛnhwɛ nneɛma bi a nnipa pii yɛ a wonnim, nanso ebetumi asɛe wɔn aso na ama asiane a ɛwɔ hɔ sɛ wobenya ɔyare mmoawa no ayɛ kɛse. Mma nnyɛ saa nneɛma yi da.

Nea ɛnsɛ sɛ yɛyɛ Dɛn nti na asiane wom?
Cotton Swabs a Wɔde Di Dwuma Eyi ne mfomso kɛse a nnipa pii di. Ɛnyɛ nsu kɛkɛ na kotoku bud yi fi hɔ. Ɛpia efĩ, aso mu nsu, ne nsu kɔ aso no mu kɔ akyiri. Ebetumi ayi aso mu aduru a efi abɔde mu no afi hɔ nso, na asɛe aso no honam ani hwɛbea a ɛyɛ mmerɛw no.
Nsateaa anaa nnadewa a wɔde bɛhyɛ aso muEfĩ ne mmoawa a efi wo nnadewa mu betumi akɔ w’aso mu. Nea ɛsen saa no, w’aso mu were no yɛ mmerɛw yiye. Sɛ wo nnadewa twitwiw saa honam ani a, ɛnyɛ den sɛ ebetumi ama woanya ɔyare mmoawa a emu yɛ den.
Drops a Wɔde Di Dwuma wɔ Tebea Titiriw Mu Sɛ wo anaa wo ba no wɔ aso mu nhama wɔ wɔn aso mu, anaasɛ wususuw sɛ aso mu ntini apaapae a, mfa aso mu nsu anaa hydrogen peroxide biara nni dwuma a wunni aduruyɛfo afotu biara. Saa a wobɛyɛ no betumi asɛe aso no kɛse.

Wobɛyɛ dɛn ahu sɛnkyerɛnne ahorow a ɛkyerɛ sɛ obi anya ɔyare mmoawa?

Fa no sɛ sɛ wudi ahobammɔ nhyehyɛe a yɛaka ho asɛm wɔ atifi hɔ no akyi mpo a, nna abien anaa abiɛsa akyi no wuhu sɛ w’aso mu nsakrae kakra. Eyi betumi akyerɛ sɛ ɔyare mmoawa bi afi ase. Hwɛ yiye wɔ sɛnkyerɛnne ahorow a edidi so yi ho:

  • Aso no mu a ɛyɛ yaw a wontumi nnyina ano.
  • Aso no mu a ɛyɛ kɔkɔɔ .
  • Ɛyaw no kɔ soro bere a wɔretwe aso no akyi anaasɛ wɔremia akutu ketewaa a ɛwɔ aso no anim no so (tragus).
  • Nsu a emu da hɔ a hua nnim a ɛretu fi aso no mu.

Sɛ wowɔ saa sɛnkyerɛnne yi bi a, ntra fie bio. Hwɛ wo duruyɛfo ntɛm ara. Oduruyɛfo no bɛhwɛ w’aso mu na wakyerɛw w’aso aduru a ebekum mmoawa anaa ntontom a ɛde ɔyare no bae no. Eyi bɛboa ma ɛyaw, ahonhon, ne ɔhaw no afi hɔ ntɛm.

Wobɛyɛ dɛn asiw nsu a ankɔ w’aso mu?

So ɛnyɛ papa sɛ wubesiw ɔhaw bi ano ansa na asɔre sen sɛ wobɛhwehwɛ ano aduru bere a asɔre awie no? Nneɛma bi a wubetumi ayɛ de aboa ni.

1. Bɔ wo ho ban bere a woreguare no: Sɛ wotaa guare a, fa aso a ɛyɛ papa ne asuguare kyɛw di dwuma. Eyi bɛboa kɛse ma nsu ankɔ w’aso mu.

2. Hwɛ yiye bere a woreguare: Sɛ nsu kɔ w’aso mu bere a woreguare a, fa petroleum jelly (Vaseline) kakra gu kotoku mu na fa to aso no akyi. Eyi bɛma nsu atumi akɔ mu. Wubetumi nso adi saa kwan yi akyi bere a wode nneɛma te sɛ aduru a wɔde petepete ti nhwi anaa nea wɔde yɛ ti nhwi redi dwuma no.

3. Hwɛ yiye wɔ aso mu aduru ho: Aso mu aduru yɛ abɔde mu ade a ɛbɔ yɛn aso ho ban. Nanso nnipa binom wɔ aso mu aduru a ɛdɔɔso dodo. Sɛ ɛba saa a, hokwan kɛse wɔ hɔ sɛ nsu bɛkɔ mu. Sɛ wususuw sɛ wowɔ ɔhaw a ɛte saa a, mmɔ mmɔden da sɛ w’ankasa wubeyi aso mu aduru afi hɔ. Hwɛ wo duruyɛfo. Obetumi ayi afi hɔ dwoodwoo.

4. Hydrogen Peroxide wɔ aduruyɛ mu afotu nkutoo so:Sɛ wowɔ ɔhaw bi wɔ aso mu aduru pii ho a, ebia wo duruyɛfo bɛkamfo akyerɛ sɛ fa 3% hydrogen peroxide aduru a wɔde tew w’aso ho. Nanso nyɛ eyi a wo duruyɛfo no mpene so. Sɛ ɔkamfo kyerɛ nkutoo a, fa hydrogen peroxide fã biako fra nsu fã biako, fa aso a wɔde gu aso mu fa bɛyɛ fã gu w’aso mu, ma ɛnyɛ ahuru, na afei dan wo ti kɔ ɔfã biako na yi afi hɔ.

Nkrasɛm a Wɔde Kɔ Fie

  • Nsuo a ɛkɔ aso mu no tumi de ɔyare mmoawa te sɛ ‘Swimmer’s Ear’ (Otitis Externa) ba.
  • Fa akwan a ahobammɔ wom nkutoo di dwuma, te sɛ ti a wobɛdannan ne aso a wobɛtwe, na yi nsu fi mu.
  • Mfa kotoku, nsateaa, anaa biribiara a ano yɛ nnam nhyɛ w’aso mu esiane biribiara nti.
  • Sɛ wuhu sɛnkyerɛnne ahorow a ɛkyerɛ sɛ ɔyare bi wɔ hɔ, te sɛ aso a ɛyɛ wo yaw, ɛyɛ kɔkɔɔ, anaa ɛyaw a, kɔ wo duruyɛfo nkyɛn ntɛm ara.
  • Yɛ ahwɛyiye, te sɛ aso a wode hyɛ wo ho bere a woreguare no, na amma nsu ankɔ w’aso mu. Sɛ ɛho hia sɛ wuyi aso mu aduru a, nnyɛ w’ankasa, na mmom hwehwɛ aduruyɛfo afotu.

Nsuo a ɛwɔ aso mu, nsuo a ɛyi fi aso mu, asuguarefoɔ aso, otitis externa, aso mu yareɛ, aso mu yareɛ, aso mu yaw, aso mu yareɛ, aso aduru

Frequently Asked Questions (FAQ)

Wobɛyɛ dɛn ahu sɛnkyerɛnne ahorow a ɛkyerɛ sɛ obi anya ɔyare mmoawa?

Fa no sɛ sɛ wudi ahobammɔ nhyehyɛe a yɛaka ho asɛm wɔ atifi hɔ no akyi mpo a, nna abien anaa abiɛsa akyi no wuhu sɛ w’aso mu nsakrae kakra. Eyi betumi akyerɛ sɛ ɔyare mmoawa bi afi ase. Hwɛ yiye wɔ sɛnkyerɛnne ahorow a edidi so yi ho:

⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

💬 Comments (0)

Wɔnnya nyɛɛ nsɛm biara. Fa wo nsɛm no ka ho wɔ ha nea edi kan.

Fa wo nsɛm no ka ho

Yɛsrɛ wo bu akontaa: 4 + 7 =