The height of a cylinder is the height (2/3) of a cone with the same base as it. It is known that the volume of the cone is 18 cubic centimeters. What is the volume of the cylinder in cubic centimeters?
一个圆柱的高是一个和它等底的圆锥的高的(2/3)，已知圆锥的体积是18立方厘米，圆柱的体积是多少立方厘米．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">18 * 3 * (2/3)</gadget>
<output>36</output>

<result>36</result>