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

### Instruction:
 Quinton在他的生日时带了40个纸杯蛋糕到学校。他给了Ms. Delmont班级的18名学生每人一个纸杯蛋糕。他还给了Mrs. Donnelly班级的16名学生每人一个纸杯蛋糕。他还给了Ms. Delmont、Mrs. Donnelly、学校护士和学校校长各一个纸杯蛋糕。他还剩下多少个纸杯蛋糕？


### Response:
 40个 - (18个 + 16个 + 1个 + 1个) = <<40-(18+16+1+1)=4>>4
Quinton剩下了4个纸杯蛋糕。