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

### Instruction:
John goes to the bakery to buy rolls.  They sell them for 5 dollars for a dozen.  He spent 15 dollars.  How many rolls did he get?

### Response:
 เขาได้รับ 15/5=<<15/5=3>>3 เม็ด
นั่นหมายความว่าเขาซื้อ 3*12=<<3*12=36>>36 เม็ด