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

### Instruction:
 六瓶2升的水的价格是12美元。1升水的价格是多少？


### Response:
 每瓶2升的水的价格是12美元/6瓶 = 2美元。
所以1升水的价格是2美元/2升 = 1美元。