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

### Instruction:
 十个成年人和十一个孩子一起去看球赛。成年人的票价是每张8美元，总账单是124美元。一个孩子的票价是多少美元？


### Response:
 成年人 = 10 * 8 = $<<10*8=80>>80
孩子 = 124 - 80 = $44
一个孩子的票价是44 / 11 = $<<44/11=4>>4。