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

### Instruction:
John has to get a new blanket.  He decides to have a 7 foot by 8-foot quilt made.  The quilt costs $40 per square foot.  How much does his quilt cost?

### Response:
 ผ้าห่มมีขนาด 7*8=<<7*8=56>>56 ตารางฟุต
ดังนั้นมีราคา 40*56=<<40*56=2240>>2240 ดอลลาร์