<|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
 Andrew's father buys a package of 75 masks. Andrew lives with his 2 parents and 4 siblings. All members of Andrew's family change masks every 2 days. How many days will it take to finish the pack of masks? 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
21
Andrew's father buys a package of 75 masks. Andrew lives with his 2 parents and 4 siblings. All members of Andrew's family change masks every 2 days. How many days will it take to finish the pack of masks?
test