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

### Instruction:
Harvey's started out with 25 steaks. Then he sold some, and only had 12 steaks left. He sold 4 more steaks, at 10 dollars. How many steaks did he sell in all?

### Response:
 Harvey aliuza nyama 25-12 = <<25-12=13>>13 mwanzoni.
Kisha Harvey akauza nyama zaidi kwa jumla ya 13+4 = <<13+4=17>>17 nyama.