<|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
 Three walls have wallpaper covering a combined area of 300 square meters. By overlapping the wallpaper to cover a wall with an area of some square meters, the area that is covered by exactly two layers of wallpaper is 38 square meters. The area that is covered with three layers of wallpaper is 41 square meters. What is the area of the wall that is covered by overlapping the wallpapers? 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
101
Three walls have wallpaper covering a combined area of 300 square meters. By overlapping the wallpaper to cover a wall with an area of some square meters, the area that is covered by exactly two layers of wallpaper is 38 square meters. The area that is covered with three layers of wallpaper is 41 square meters. What is the area of the wall that is covered by overlapping the wallpapers?
test