<|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 [7, 9, 18], create an equation that equals 45. You can use the operators +, -, ×, and ÷, and each number can only be used once. Additionally, each equation must properly use at least one division operation. Show your work in <think> </think> tags and return the final equation and answer in <answer> </answer> tags, for example: <answer> (6 + 9) × 4 = 60 </answer><|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>