<|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 [5, 30, 7, 20], create an equation that equals 75. You can use basic arithmetic operations (+, -, *, /) and each number can only be used once. Show your work in the <think> block following the instructions. Submit the final equation and answer in the <answer> block tagged in the same exact way as the example at the prompt below. For example, <answer> (0.5 * 30) * 7 + 5 = 75 </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>