<|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 [99, 45, 99, 3], create an equation that equals 143. You can use basic arithmetic operations (+, -, *, /) and each number can only be used once. Show your work in <think> </think> tags. And return your final equation and your answer in <answer> </answer> tags. For example: <answer>99 // (45 / 3) + 39 = 143</answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>