A cone and a cylinder have the same base area. The volume of the cylinder is 10 cubic centimeters larger than the volume of the cone. The height of the cone is 10 centimeters and the volume is 20 cubic centimeters. What is the height of the cylinder in centimeters?
一个圆锥和一个圆柱的底面积相等，圆柱的体积比圆锥的体积大10立方厘米，圆锥的高是10厘米，体积是20立方厘米，圆柱的高是多少厘米．
<gadget id="calculator">20 + 10</gadget>
<output>30</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">20 * (3/10)</gadget>
<output>6</output>

<gadget id="calculator">30 / 6</gadget>
<output>5</output>

<result>5</result>