Evaluate
\frac{6232161499403919343\pi }{1250000000000000}\approx 15663.13022601
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2 \pi \cdot 6380 \cdot 0.39073112848927394
Evaluate trigonometric functions in the problem
12760\pi \times 0.39073112848927394
Multiply 2 and 6380 to get 12760.
4985.7291995231354744\pi
Multiply 12760 and 0.39073112848927394 to get 4985.7291995231354744.
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