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

### Instruction:
 玛丽有5支绿色蜡笔和8支不同色调的蓝色蜡笔。如果她给贝基3支绿色蜡笔和1支蓝色蜡笔，她还剩下多少支蜡笔？


### Response:
 她一开始有5+8 = <<5+8=13>>13支蜡笔
她给了贝基3+1 = <<3+1=4>>4支蜡笔
她还剩下13-4 = <<13-4=9>>9支蜡笔