 
 <prompt> Sally nwetara 3 nkeji ozi, kedu ka ha megharia ya $3. O gara na o nwere $20. Kedu ihe o nweghị gị? <response>: ```Ọ dị ka ọ nwere ike ị nwere ike ịkwado ihe ọ bụla nke $3 = $9.
Sally jụọ $20 - $9 = $11 n'akụkọ.

Ntụgharị a: 11.``` 