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

### Instruction:
John decides to buy a month's supply of dog treats.  He gives his dog 2 treats a day and they cost $.1 each.  How much does he spend on the treats if the month is 30 days long?

### Response:
 เขาใช้ 30*2=<<30*2=60>>60 ของเป็นเดือน
นั่นหมายความว่าเขาจะเสีย 60*.1=$<<60*.1=6>>6