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

### Instruction:
Tom dances 4 times a week for 2 hours at a time and does this every year for 10 years.  How many hours did he dance?

### Response:
 4 ครั้งต่อสัปดาห์ x 2 ชั่วโมงต่อครั้ง x 52 สัปดาห์ต่อปี x 10 ปี = <<4*2*52*10=4160>>4160 ชั่วโมง