The base diameter and height of the cone are both 6 cm, what is the volume of the cone?
圆锥的底面直径和高都是6厘米，求圆锥体的体积？
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">(1/3) * 3.14 * 9 * 6</gadget>
<output>56.52</output>

<result>56.52</result>