 
<translate> N'iburu ezi uche dị na ya, nye ajụjụ na azịza ezi uche dị na ya. Ntụziaka a na-eme site n'ịtụgharị uche: O nwere apụl atọ na unere anọ, n'ihi ya, o nwere mkpụrụ osisi atọ a gbakwunyere anọ, ya abụrụ asaa. O kwesịrị ịzụta mkpụrụ osisi iri na abụọ - mkpụrụ osisi asaa = oroma ise.  Ajụjụ na azịza: <eng> Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: He has 3 apples and 4 bananas, so he has 3 + 4 = 7 pieces of fruit. He needs to buy 12 fruit - 7 fruit = 5 oranges.
 The question and answer: 