A cylindrical steel billet has a base radius of 2 cm and a height of 5 cm. If it is cast into a cone with the same base size, what is the volume of the cone in cubic centimeters?
一个圆柱形钢坯，底面半径是2cm，高是5cm．如果把它熔铸成同样底面大小的圆锥，这个圆锥的体积是多少立方厘米？
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">3.14 * 4 * 5</gadget>
<output>62.8</output>

<result>62.8</result>