 
 <prompt> ```Dey were 20 fishermen for di lake wey cast dia net to catch fish. If dem catch 10000 fish for total, and 19 of dem catch 400 fish each with dia own net, calculate di number of fish wey di twentieth fisherman catch.``` <response>: ```Di 19 fishermen wey catch 400 fish each catch 400*19 = 7600 fish.
If dem catch total of 10000 fish, di twentieth fisherman catch 10000-7600 = 2400 fish alone.

Answer na 2400.``` 