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

### Instruction:
 Trey有Kris的5倍多的乌龟。Kris有Kristen的四分之一的乌龟。如果Kristen有12只乌龟，总共有多少只乌龟？


### Response:
 Kris有12/4 = <<12/4=3>>3只乌龟。
Trey有3*5 = <<3*5=15>>15只乌龟。
总共有12+3+15 = <<12+3+15=30>>30只乌龟。