<|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 [3, 30, 300, 10], create an equation that equals 66. You can concatenate numbers, use 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> (300 - 30) * 3 = 810 </answer>, is incorrect, please format your final answer as: <answer> (expression) = target value </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>