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

### Instruction:
John and his best friend Steve bought 12 cupcakes together.  Each cupcake cost $1.50. If they split the costs evenly, how much did each person pay?

### Response:
 ราคารวมของคัพเค้กทั้งหมดคือ 12*1.5=$<<12*1.5=18>>18
ดังนั้นพวกเขาจะจ่ายเท่าๆ กัน คือ 18/2=$<<18/2=9>>9