<|im_start|>system
You are a helpful assistant. You first think about the reasoning process in the mind and then provide the user with the answer. You should try to truely solve the question by yourself without cheating.  <|im_end|>
<|im_start|>user
 Vasya stood at a bus stop for some time. During this time, one bus and two trams passed by. After some time, a Spy came to the same bus stop. While he was there, 10 buses passed by. What is the minimum number of trams that could have passed by during this time? Both buses and trams travel at regular intervals, with buses coming at intervals of 1 hour. Show your work in <think> </think> tags. And return the final answer in <answer> </answer> tags.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>
user
4
Vasya stood at a bus stop for some time. During this time, one bus and two trams passed by. After some time, a Spy came to the same bus stop. While he was there, 10 buses passed by. What is the minimum number of trams that could have passed by during this time? Both buses and trams travel at regular intervals, with buses coming at intervals of 1 hour.
test