<|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, 44], create an equation that equals 100. You can use basic arithmetic operations (+, -, *, /) and each number can only be used once. Remember, you need to show the work, so feel free to brainstorm equations in <think> </think> tags and provide your final equation and answer in <answer> </answer> tags, for instance, <answer> (x + y) * (z / w) = 100 </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>