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

### Instruction:
 一个面包师傅在橱窗上展示了10个芝士蛋糕，冰箱里还有15个。如果面包师傅从橱窗上卖出了7个芝士蛋糕，还剩下多少个芝士蛋糕需要卖？


### Response:
 面包师傅总共有10 + 15 = <<10+15=25>>25个芝士蛋糕，包括橱窗和冰箱里的。
因此，还有25 - 7 = <<25-7=18>>18个芝士蛋糕需要卖。