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

### Instruction:
James gets paid $0.50/mile to drive a truck carrying hazardous waste. He has to pay $4.00/gallon for gas and his truck gets 20 miles per gallon. How much profit does he make from a 600 mile trip?

### Response:
 James analipwa $300 (kilomita 600 x $0.50/kilomita).
Anatumia $60 kwa mafuta (kilomita 600 x $4.00/galoni/20 maili kwa kila galoni).
Anapata $240 (300 - 60).