The height and volume of a cone and a cylinder are equal respectively, and the area of the base of the cylinder is 6 decimeters, what is the area of the base of the cone?
一个圆锥与一个圆柱的高和体积分别相等，已知圆柱的底面积是6平方分米，那么圆锥的底面积是多少平方分米．
<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<result>18</result>