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

### Instruction:
Cindy has 37 envelopes. If Cindy gives 3 envelopes to each of her 5 friends, how many envelopes does she have left?

### Response:
 Cindy alitoa bahasha 3/rafiki x 5 marafiki = <<3*5=15>>15 bahasha kwa marafiki zake.
Cindy anabakiwa na bahasha 37 - 15 bahasha = <<37-15=22>>22 bahasha.