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

### Instruction:
Mr. Curtis has 325 chickens on his farm where 28 are roosters and the rest are hens. Twenty hens do not lay eggs while the rest of the hens do. How many egg-laying hens does Mr. Curtis have on his farm?

### Response:
 Bwana Curtis ana kuku 325 - 28 = <<325-28=297>>297.
Kati ya kuku 297, kuku 297 - 20 = <<297-20=277>>277 tu ndio wanatowa mayai.
Hivyo, Bwana Curtis ana kuku 277 wanaotowa mayai kwenye shamba lake.