Evaluate
312\pi \approx 980.17690792
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12\pi \times 15+\pi \times 6\times 10+2\pi \times 6^{2}
Multiply 2 and 6 to get 12.
180\pi +\pi \times 6\times 10+2\pi \times 6^{2}
Multiply 12 and 15 to get 180.
180\pi +\pi \times 60+2\pi \times 6^{2}
Multiply 6 and 10 to get 60.
240\pi +2\pi \times 6^{2}
Combine 180\pi and \pi \times 60 to get 240\pi .
240\pi +2\pi \times 36
Calculate 6 to the power of 2 and get 36.
240\pi +72\pi
Multiply 2 and 36 to get 72.
312\pi
Combine 240\pi and 72\pi to get 312\pi .
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