<|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 [4, 7, 1, 7], reach the number 1776. Use basic arithmetic operations (+, -, *, /) and ensure that each number can only be used once. Show your work in <think> </think> tags and return the final equation and answer in <answer> </answer> tags, for example <answer> (7 + 7) * 4 + 1 = 1776 </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>