<|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 [35, 81, 44, 6] and the operations +, -, *, /, calculate an equation that equals 147. Use each number only once and show your approach meticulously within <think> </think>. Your final equation should be represented as <answer> </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>