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

### Instruction:
 Kuna mikono 20 katika darasa la Peter, bila kumjumuisha yeye. Fikiria kila mwanafunzi katika darasa ana mikono 2 na mikono 2. Kuna wanafunzi wangapi katika darasa la Peter ikiwa kumjumuisha yeye?


### Response:
 20 + 2 ya mikono ya Peter = <<20+2=22>>22 mikono.
22 mikono / 2 mikono kwa mwanafunzi = <<22/2=11>>11 wanafunzi.