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

### Instruction:
 吉娜的蛇每4周吃一只老鼠。在十年内它会吃多少只老鼠？


### Response:
 十年是10年，或者120周。
蛇在十年内会吃120/4 = <<120/4=30>>30只老鼠。