If the volume of a cylinder is 40 cubic centimeters and the radius and height of a cone are equal to the radius and height of the cylinder, what is the volume of the cone in cubic centimeters?
一个圆柱的体积是40立方厘米，一个圆锥的半径和高与圆柱的半径与高分别相等，那么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">40 * (1/3)</gadget>
<output>40/3 = around 13.333333</output>

<result>40/3 = around 13.333333</result>