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

### Instruction:
 一只壁虎每三天吃70只蟋蟀。第一天她吃掉蟋蟀的30%。第二天她比第一天少吃6只，第三天她吃掉剩下的蟋蟀。第三天她吃了多少只蟋蟀？


### Response:
 第一天：70(.30)=21只蟋蟀
第二天：21-6=<<21-6=15>>15只蟋蟀
第三天：70-21-15=<<70-21-15=34>>34只蟋蟀