<|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, 13, 17, 7], craft an equation that sums up to 54. You can utilize basic arithmetic operations (+, -, *, /) and each number should be used only once. Share your reasoning in <think> blocks and present the final equation along with your solution in <answer> blocks, for example: <answer> (a + b) * c - d = target_value</answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>