Bob can travel $m$ miles in $h$ hours on his bicycle. At this rate, how many hours would it take him to travel $h$ miles? Express your answer in terms of $m$ and $h$.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Bob can travel $m$ miles in $h$ hours on his bicycle. At this rate, how many hours would it take him to travel $h$ miles? Express your answer in terms of $m$ and $h$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\frac{h^2}{m}
Bob can travel $m$ miles in $h$ hours on his bicycle. At this rate, how many hours would it take him to travel $h$ miles? Express your answer in terms of $m$ and $h$.
train