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

### Instruction:
James buys steaks for buy one get one free.  The price is $15 per pound and he buys 20 pounds.  How much did he pay for the steaks?

### Response:
 เขาจ่ายเงินสำหรับเนื้อสเต็ก 10 ปอนด์ นั่นคือ 10*15=150 ดอลลาร์