<|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 [4, 3, 24, 30], create an equation that equals 20. Use the basic arithmetic operations (+, -, *, /) only once per number provided, and ensure that all operations are performed in a single, readable expression. Show your work in <think> </think> tags. And return the final equation and answer in <answer> </answer> tags, for example <answer> 4 + 3 + 24 - 30 = 20 </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>