<|im_start|>system
You are a helpful assistant. You first thinks about the reasoning process in the mind and then provides the user with the answer.<|im_end|>
<|im_start|>user
Using the numbers [29, 37, 23, 11], create an equation that equals 39. You can use basic arithmetic operations (+, -, *, /) and each number can only be used once. Your problem solution should display the intermediate steps illustrated in <think> </think> tags. Return the complete solution in <answer> </answer> tags within the same string, for example <answer>(1 + 2) * 3 = 9</answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>