Evaluate
\frac{27\pi }{10}\approx 8.482300165
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120\pi \times 15\times 15\times 10^{-4}
Multiply 30 and 4 to get 120.
1800\pi \times 15\times 10^{-4}
Multiply 120 and 15 to get 1800.
27000\pi \times 10^{-4}
Multiply 1800 and 15 to get 27000.
27000\pi \times \frac{1}{10000}
Calculate 10 to the power of -4 and get \frac{1}{10000}.
\frac{27}{10}\pi
Multiply 27000 and \frac{1}{10000} to get \frac{27}{10}.
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