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

### Instruction:
Mark orders 100 chicken nuggets.  A 20 box of chicken nuggets cost $4.  How much did he pay for the chicken nuggets?

### Response:
 เขาสั่ง 100/20=<<100/20=5>>5 กล่อง
ดังนั้นเขาจ่าย 5*4=$<<5*4=20>>20 สำหรับไก่นักเก็ต.