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

### Instruction:
Jamie is a firefighter. One day an emergency call comes in from Mrs. Thompson, an elderly woman whose cat can't get down a 20-foot tree. The last time Jamie rescued a cat, he got it down from a 6-foot tree and had to climb 12 rungs of his ladder. How many rungs does he have to climb this time to get the cat down from the tree?

### Response:
 เจมี่ต้องปีน 12/6 = <<12/6=2>>2 ขั้นต่อฟุตของต้นไม้เพื่อช่วยแมวครั้งแรก
เพื่อปีนต้นไม้สูง 20 ฟุต เจมี่ต้องปีน 20 * 2 = <<20*2=40>>40 ขั้น