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

### Instruction:
Amanda received $50 as a gift. She plans to buy two cassette tapes that cost $9 each and a headphone set that costs $25. How much money will she have left?

### Response:
 เทปเสียงจะมีราคา 2 × 9 = $<<2*9=18>>18
เธอจะใช้เงินทั้งหมด 18 + 25 = $<<18+25=43>>43
อแมนดาจะเหลือเงิน $50 - $43 = $<<50-43=7>>7