<|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 [9, 81, 24, 8], create an equation that equals 61. You can utilize 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> 1 + (2 * 3) + 4 = 13 </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>