<|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 certain number of men complete a piece of work in some days. If there were 8 men more, the work could be finished in 10 days less. There were originally 40 men. How many days does it take for the original number of men to complete the work? 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
40
A certain number of men complete a piece of work in some days. If there were 8 men more, the work could be finished in 10 days less. There were originally 40 men. How many days does it take for the original number of men to complete the work?
test