The volume ratio of a cone to a cylinder is 2:3, the ratio of the base area is 4:3, the height of the cylinder is 6 cm, what is the height of the cone in cm.
一个圆锥与一个圆柱的体积之比是2：3，底面积之比是4：3，圆柱的高是6厘米，圆锥的高是多少厘米．
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(6/5) * 3</gadget>
<output>18/5 = around 3.6</output>

<result>18/5 = around 3.6</result>