<|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
 A train covered x km at 40 kmph and another 2x km at 20 kmph. The average speed of the train in covering a certain distance is 48 kmph. What is the total distance covered by the train? 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
6
A train covered x km at 40 kmph and another 2x km at 20 kmph. The average speed of the train in covering a certain distance is 48 kmph. What is the total distance covered by the train?
test