A pile of coal is in the shape of a cone with a base radius of 1.5 meters and a height of 1.2 meters. What is the volume of this pile of coal in cubic meters?
一堆煤成圆锥形，底面半径是1.5米，高是1.2米，这堆煤的体积是多少立方米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1.5 ** 2</gadget>
<output>2.25</output>

<gadget id="calculator">(1/3) * 3.14 * 2.25 * 1.2</gadget>
<output>2.826</output>

<result>2.826</result>