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

### Instruction:
There were 20 fishermen in the lake who had cast their net to catch fish. If they caught 10000 fish in total, and 19 of them caught 400 fish each with their own net, calculate the number of fish the twentieth fisherman caught.

### Response:
 Wavuvi 19 walikamata 19*400 = <<19*400=7600>>7600 samaki.
Jumla ya samaki walio kamata ni 10000, maana yake mvuvi wa ishirini alikamata 10000-7600 = <<10000-7600=2400>>2400 samaki peke yake.