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

### Instruction:
Peter goes to the store to buy a soda. The soda costs $.25 an ounce. He brought $2 with him and leaves with $.50. How many ounces of soda did he buy?

### Response:
 เขาใช้เงิน $1.5 สำหรับซื้อโซดาเพราะ 2 - .5 = 1.5
เขาซื้อโซดา 6 ออนซ์ เพราะ 1.5 / .25 = <<6=6>>6