<|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
 Willie has 48 bananas. Charles has 14 bananas. He loses some bananas. Willie will have 13 bananas. How many bananas did Charles lose? 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
13
Willie has 48 bananas. Charles has 14 bananas. He loses some bananas. Willie will have 13 bananas. How many bananas did Charles lose?
test