A cylinder and a cone have the same volume, the ratio of the base area is 1:2, and the height of the cone is 15 centimeters, what is the height of the cylinder in centimeters?
一个圆柱和一个圆锥体积相等，底面积的比是1：2，已知圆锥的高是15厘米，那么圆柱的高是多少厘米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">15 / 1</gadget>
<output>15</output>

<gadget id="calculator">(1/3) * 2 * 15</gadget>
<output>10</output>

<result>10</result>