<|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 cistern is two-thirds full of water. Pipe A can fill the remaining part in some minutes and Pipe B in 8 minutes. Once the cistern is emptied, they take 14.4 minutes to fill it together completely. How many minutes does Pipe A take to fill the remaining part? 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
24
A cistern is two-thirds full of water. Pipe A can fill the remaining part in some minutes and Pipe B in 8 minutes. Once the cistern is emptied, they take 14.4 minutes to fill it together completely. How many minutes does Pipe A take to fill the remaining part?
test