A cone and a cylinder have the same volume and height, and the area of the base of the cone is 18 square centimeters, what is the area of the base of the cylinder in square centimeters?
一个圆锥和一个圆柱体体积相等高相等，圆锥的底面积是18平方厘米，则圆柱体的底面积是多少平方厘米．
<gadget id="calculator">18 * 3</gadget>
<output>54</output>

<result>54</result>