A cone has a base diameter of 8 cm and a height of 9 cm. What is the volume of the cone in cubic centimeters?
一个圆锥的底面直径为8厘米，高是9厘米，这个圆锥的体积是多少立方厘米．
<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 * 9</gadget>
<output>150.72</output>

<result>150.72</result>