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

### Instruction:
 麦德琳想在一天内喝100盎司的水。她的水瓶可以装12盎司的水。她重新装满水瓶7次。她还需要喝多少水？


### Response:
 她已经喝了84盎司的水，因为12 x 7 = <<12*7=84>>84
她还需要喝16盎司的水，因为100 - 84 = <<100-84=16>>16