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

### Instruction:
Evelyn’s family watched 10 hours of television last week. The week before, they watched 8 hours of television. If they watch 12 hours of television next week, what is the average number of hours of television that they watch per week?

### Response:
 ในระหว่างสามสัปดาห์พวกเขาจะดูทีวีทั้งหมด 10 + 8 + 12 = <<10+8+12=30>>30 ชั่วโมง
ค่าเฉลี่ยของจำนวนชั่วโมงต่อสัปดาห์คือ 30 ชั่วโมง / 3 = <<30/3=10>>10 ชั่วโมงทีวี