<|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 [6, 47, 28, 4], create an equation that equals 123. You can use basic arithmetic operations (+, -, *, /) and each number can only be used once. Show your work in <think> </think> tags. Do not use the numbers in a way that is obvious or straightforward, but instead explore various combinations. Share your thought process here on how you approached finding an effective solution. Return the final equation and answer as an example: <answer> </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>