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

### Instruction:
John buys 2 dozen cookies.  He eats 3.  How many cookies does he have left?

### Response:
 เขาได้รับคุกกี้ 2*12=<<2*12=24>>24 คุกกี้
ดังนั้นเขาเหลือ 24-3=<<24-3=21>>21 คุกกี้