A cylinder and a cone have the same volume and height. If the base area of the cylinder is 9.42 cm2, what is the area of the base of the cone in cm2?
一个圆柱与一个圆锥的体积和高都相等，已知圆柱的底面积是9.42平方厘米，则圆锥的底面积是多少平方厘米．
<gadget id="calculator">9.42 * 3</gadget>
<output>28.26</output>

<result>28.26</result>