<|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 [45, 5, 1, 3], create an equation that equals 100. You can only use each number once and you can use basic arithmetic operations (+, -, *, /) only. Show your work in <think> </think> tags. Then return the final equation and answer in <answer> </answer> tags, for example <answer> (1 + 3) * 5 + 45 = 100 </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>