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

### Instruction:
 德洛丽丝有450美元。她买了一台价值400美元的电脑和一台价值40美元的打印机。德洛丽丝还剩下多少钱？


### Response:
 电脑和打印机的总价是400+40=<<400+40=440>>440美元。
德洛丽丝还剩下450-440=<<450-440=10>>10美元。