<|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 [28, 43, 5, 18], create an equation that equals 57. Utilize the operations +%*- to craft a solution. Each number can only be used once. Display your work in <think> </think> tags and your final equation and answer in <answer> </answer> tags, like <answer> (7 * 5) + (28 + 5) = 57 </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>