Cut a cone into two parts from the apex along the height of the cone. Measure the base of one of the cut surfaces (triangle) to be 10 cm and the height to be 12 cm. What is the volume of the original cone in cm**3.
从顶点沿着圆锥的高把一个圆锥切成两部分，量得其中一个切面(三角形)的底是10厘米，高是12厘米，原来圆锥的体积是多少厘米**3．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">(1/3) * 3.14 * 25 * 12</gadget>
<output>314</output>

<result>314</result>