<|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 [38, 21, 79, 58], create an equation that equals 99. You can use basic arithmetic operations (+, -, *, /) and each number can only be used once. Show your work in <think> </think> tags. Use the exact format provided in the example to give the final equation in <answer> </answer> tags, such as <answer>(1 + 2) * 3 = 9</answer>. The target number is 99.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>