A sector with a radius of 10 and a central angle of 216° forms a cone. What is the volume of the cone?
半径是10，圆心角216°的扇形围成一个圆锥体，圆锥体的体积是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">216 * 3.14 * 10 * 2</gadget>
<output>13_564.8</output>

<gadget id="calculator">13_564.8 / 360</gadget>
<output>37.68</output>

<gadget id="calculator">37.68 / 3.14 / 2</gadget>
<output>6</output>

<gadget id="calculator">6 ** 2</gadget>
<output>36</output>

<gadget id="calculator">(1/3) * 3.14 * 36 * 8</gadget>
<output>301.44</output>

<result>301.44</result>