Simplify the following expression: $$(\sqrt{6} + \sqrt{24})^2$$
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Simplify the following expression: $$(\sqrt{6} + \sqrt{24})^2$$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
54
Simplify the following expression: $$(\sqrt{6} + \sqrt{24})^2$$
train