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

### Instruction:
John starts climbing a very steep hill.  He travels 1 foot vertically for every two feet horizontally.  His elevation increases from 100 feet to 1450 feet.  How far does he move horizontally, in feet?

### Response:
 เขาเคลื่อนที่ในแนวดิ่งไป 1450-100=<<1450-100=1350>>1350 ฟุต
ดังนั้นเขาเคลื่อนที่ในแนวนอนไป 1350*2=<<1350*2=2700>>2700 ฟุต