<|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 [30, 20, 10, 5], craft an equation that results in the target number 100. You can utilize basic arithmetic operations (+, -, *, /) to reach this. Each number must be used only once in your equation. Show your step-by-step work within <think> and your final answer in <answer>. Remember to include division slashes and work provided in all computations.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>