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

### Instruction:
 兰迪、彼得和昆西都画了画。彼得画了8幅画。昆西比彼得多画了20幅画。如果他们总共画了41幅画，兰迪画了多少幅画？


### Response:
 昆西画了8+20 = <<8+20=28>>28幅画。
昆西和彼得总共画了28+8 = <<28+8=36>>36幅画。
兰迪画了41-36 = <<41-36=5>>5幅画。