A cylinder and a cone have the same volume and height, and the area of the base of the cone is 15 square centimeters. What is the area of the base of the cylinder in square centimeters?
一个圆柱和一个圆锥体积和高都相等，圆锥的底面积15平方厘米，圆柱的底面积是多少平方厘米．
<gadget id="calculator">15 / 3</gadget>
<output>5</output>

<result>5</result>