<|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
 There are 30 vehicles in the parking lot, and each vehicle has a spare tire with them. In total, there are 150 tires in the parking lot. What type of vehicles are in the parking lot? 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
150
There are 30 vehicles in the parking lot, and each vehicle has a spare tire with them. In total, there are 150 tires in the parking lot. What type of vehicles are in the parking lot?
test