<|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
 In a certain race, A beats B by 50 meters or 20 seconds. A takes 380 seconds to complete the race. What is the length of the race? 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
1000
In a certain race, A beats B by 50 meters or 20 seconds. A takes 380 seconds to complete the race. What is the length of the race?
test