<|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
Given the numbers [17, 16, 25, 50], use the basic arithmetic operations to create an equation that equals 215. Each number should be used only once. Show your work in <think> </think> tags to demonstrate the thought process. Return the final equation and answer in <answer> </answer> tags, for example <answer> (8^2 + 3) * 5 = 215 </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>