<|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 [5, 8, 7, 4], create an equation using any of the operations (+, -, *, /) that equals 57. Each number can only used once. Show your work in <think> </think> tags. Finally, return your equation and solution in <answer> </answer> tags, for example <answer> 6 * 5 + 1 = 31 </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>