Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
 Donny ana $78 katika hifadhi yake ya nguruwe. Ikiwa Donny ananunua kite kwa $8 na frisbee kwa $9. Ana kiasi gani cha pesa kilichobaki Donny?


### Response:
 Donny ana $78 - $8 = <<78-8=70>>70 pesa zilizobaki.
Donny ana $70 - $9 = <<70-9=61>>61 pesa zilizobaki.