A cylinder and a cone have the same base and height, and the volume of the cylinder is 30 cubic centimeters larger than that of the cone, what is the volume of the cylinder in cubic centimeters?
一个圆柱和一个圆锥等底等高，圆柱体积比圆锥大30立方厘米，则圆柱的体积是多少立方厘米．
<gadget id="calculator">30 / 2</gadget>
<output>15</output>

<gadget id="calculator">15 * 3</gadget>
<output>45</output>

<result>45</result>