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

### Instruction:
 Alexis有的芒果是Dilan和Ashley的芒果数量的四倍。如果Alexis有60个芒果，他们三个一共有多少个芒果？


### Response:
 如果Alexis有Dilan和Ashley芒果数量的四倍，那么他们两个一共有60个芒果/4 = 15个芒果。
他们三个一共有的芒果数量是15个芒果 + 60个芒果 = <<15+60=75>>75个芒果。