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

### Instruction:
John is an eccentric millionaire.  He decides to fill his swimming pool with bottled water.  A cubic foot of water is 25 liters.  His pool is 10 feet deep and 6 feet by 20 feet.  A liter of water costs $3.  How much does it cost to fill the pool?

### Response:
 ปริมาตรของสระว่ายน้ำคือ 10 * 6 * 20 = <<10*6*20=1200>>1200 ฟุตลูกบาศก์
จำนวนลิตรของน้ำคือ 1200 * 25 = <<1200*25=30000>>30000 ลิตร
ต้องใช้เงินในการเติมน้ำในสระ 30000 * 3 = <<30000*3=90000>>90000 เหรียญ