 
 <prompt> John na-achọ iji na-akụkọ ijele piano. O gara piano na $500. O nweghị ike ịkpọtara onye akwụkwọ maka 20 akwụkwọ na $40 nke ọ bụla ma o nweghị ike ịkpọtara ịkwụsị 25%. Kedu ihe gbanwere gị? <response>: ```Ọganihu nke ndị akwụkwọ bụ 20*40=$800
Ọrụ nke a na-akpọrọ ya $800*.25=$200
N'ihi na ndị akwụkwọ na-akpọrọ ya $800-$200=$600
N'ime ka ọ bụla na-akpọrọ ya 500+600=$1100

Nke a bụ ọdịnaya: 1100.``` 