If a cylinder has a base area of 4 cm2 and a height of 6 cm, what is the volume of a cone with the same base and height?
一个圆柱的底面积是4平方厘米，高是6厘米，和它等底等高的圆锥的体积是多少．
<gadget id="calculator">6 / 3</gadget>
<output>2</output>

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<result>8</result>