pile of coal is in the shape of a cone with a base radius of 15 meters and a height of 1.2 meters. What is the volume of the pile of coal in cubic meters?
一堆煤堆成圆锥形，底面半径15米，高1.2米，这堆煤的体积有多少立方米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">15 ** 2</gadget>
<output>225</output>

<gadget id="calculator">(1/3) * 3.14 * 225 * 1.2</gadget>
<output>282.6</output>

<result>282.6</result>