What is the area of the region defined by the equation $x^2+y^2 - 7 = 2y-8x+1$?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is the area of the region defined by the equation $x^2+y^2 - 7 = 2y-8x+1$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
25\pi
What is the area of the region defined by the equation $x^2+y^2 - 7 = 2y-8x+1$?
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