A cylinder and a cone have the same base and height, the volume of the cylinder is 30 cubic centimeters, what is the volume of the cone in cubic centimeters?
一个圆柱与一个圆锥等底等高，圆柱体积是30立方厘米，圆锥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">30 * (1/3)</gadget>
<output>10</output>

<result>10</result>