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

### Instruction:
Jay bought a book for $25, a pen for $4, and a ruler for $1. He paid with a fifty-dollar bill. How much change, in dollars, did Jay get?

### Response:
 เจย์ใช้เงิน 25+4+1=<<25+4+1=30>>30 เหรียญ
เขาได้รับเงินทอน 50-30=<<50-30=20>>20 เหรียญ