A cone has a base diameter of 8 meters and a height of 1.2 meters. What is the volume of the cone in cubic meters?
一个圆锥的底面直径是8米，高是1.2米，这个圆锥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">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">(1/3) * 3.14 * 16 * 1.2</gadget>
<output>20.096</output>

<result>20.096</result>