 
 <prompt> "Ken zai iya yi 20 sit-up baya baya. Nathan zai iya yi goma biyu, inda Bob zai iya yi nisa da jumla da Ken da Nathan suka yi sit-ups. Me yasa Bob zai iya yi sit-ups da Ken?" <response>: ```Nathan zai iya yi 20 x 2 = 40 sit ups.
Ken da Nathan suna da lambobin 20 + 40 = 60 sit-ups.
Bob zai iya yi 60/2 = 30 sit-ups.
Bob zai iya yi 30 - 20 = 10 sit-ups fiye da Ken.

Sami shine 10.``` 