<|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 [5, 9, 3, 7], create an equation that equals 54. You can use basic arithmetic operations (+, -, *, /) and each number can only be used once. Show your work step by step in <think> </think> tags. Once you find the equation, return it in the following format: <answer>Equation</answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>