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

### Instruction:
 安东尼在橱柜里保存了一瓶醋2年。每年有20%的醋蒸发。2年后还剩下多少百分比的醋？


### Response:
 首先找出每年剩下的醋的百分比：100% - 20% = 80%
然后将一年后剩下的醋的数量乘以每年剩下的百分比，找出2年后剩下的醋的数量：80% * 80% = 64%