A cylinder and a cone have the same volume. The height of the cone is 6 cm. The area of the base of the cylinder is (2/3) the area of the base of the cone. What is the height of the cylinder in cm?
一个圆柱和一个圆锥体积相等，圆锥的高是6厘米，圆柱的底面积是圆锥底面积的(2/3)，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">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(1/3) / (2/3)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">6 * (1/2)</gadget>
<output>3</output>

<result>3</result>