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

### Instruction:
A cat has nine lives.  A dog has 3 less lives than a cat.  A mouse has 7 more lives than a dog.  How many lives does a mouse have?

### Response:
Dog:9-3=<<9-3=6>>6 lives
Mouse:7+6=<<7+6=13>>13 lives
#### 13