Dog:9-3=<<9-3=6>>6 lives

Mouse:6+7=<<6+7=13>>13 lives

# Answer

13
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
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?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
13
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?
train