<|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
Target: 200
Numbers: [10, 20, 5]
What is an equation using the numbers [10, 20, 5] and operations (+, -, *, /) that equals 200? Show your work in <think> </think> tags. And return the final equation and answer in <answer> </answer> tags, for example <answer> (10 + 20) * 5 = 200 </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>