<|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 [25, 55, 17, 5], create an equation that equals 78. You can use basic arithmetic operations (+, -, *, /) and each number can only be used once. Show your work in <think> </think>. And return the final equation and answer in <answer> </answer>. For example, <answer> (25 * 3) - 5 = 70 </answer>, which is closer but not exact, what exact equation works?<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>