<|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 [20, 23, 84, 9], find an arithmetic operation that equals 44. Use basic arithmetic operations (+, -, *, /) and each number can only be used once. Show your work in <think> </think> tags. The answer should be in the same format as follows: <answer> </answer> (expression) = 44.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>