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

### Instruction:
Pam has some bags of apples. Each of her bags has as many apples as 3 of Gerald's bags. Gerald's bags have 40 apples each. If Pam has 1200 apples in total, how many bags of apples does she have?

### Response:
 แต่ละถุงของแพมมีแอปเปิ้ล 40*3=<<40*3=120>>120 ลูก
แพมมีถุงแอปเปิ้ลทั้งหมด 1200/120=<<1200/120=10>>10 ถุง.