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

### Instruction:
One dress requires 5.5 yards of fabric. Amare needs to make 4 dresses for the wedding and she has 7 feet of fabric. How many feet of fabric does Amare still need for the dresses?

### Response:
 5.5 หลา = 16.5 ฟุต
4 ชุด = 16.5 * 4 = <<4*16.5=66>>66 ฟุต
66 - 7 = <<66-7=59>>59
อมาร์ต้องใช้ผ้าเพิ่มอีก 59 ฟุต