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

### Instruction:
 约翰带着100欧元去市场。他买了一份烤肉花了17欧元，买了蔬菜花了11欧元。他还剩下多少钱？


### Response:
 买了烤肉后，他还剩下100 - 17 = 83欧元。
买了蔬菜后，他还剩下83 - 11 = 72欧元。