Compute
\[(-\sqrt{3} + \sqrt{5} + \sqrt{6} + \sqrt{7})^2 + (\sqrt{3} - \sqrt{5} + \sqrt{6} + \sqrt{7})^2 + (\sqrt{3} + \sqrt{5} - \sqrt{6} + \sqrt{7})^2 + (\sqrt{3} + \sqrt{5} + \sqrt{6} - \sqrt{7})^2.\]
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Compute
\[(-\sqrt{3} + \sqrt{5} + \sqrt{6} + \sqrt{7})^2 + (\sqrt{3} - \sqrt{5} + \sqrt{6} + \sqrt{7})^2 + (\sqrt{3} + \sqrt{5} - \sqrt{6} + \sqrt{7})^2 + (\sqrt{3} + \sqrt{5} + \sqrt{6} - \sqrt{7})^2.\]
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
84
Compute
\[(-\sqrt{3} + \sqrt{5} + \sqrt{6} + \sqrt{7})^2 + (\sqrt{3} - \sqrt{5} + \sqrt{6} + \sqrt{7})^2 + (\sqrt{3} + \sqrt{5} - \sqrt{6} + \sqrt{7})^2 + (\sqrt{3} + \sqrt{5} + \sqrt{6} - \sqrt{7})^2.\]
train