A cone and a cylinder have the same base area and the volume ratio is 1:6. If the height of the cone is 4.2 cm, what is the height of the cylinder in cm?
一个圆锥和一个圆柱的底面积相等，体积的比是1：6．如果圆锥的高是4.2厘米，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">6 * (1/3) * 4.2</gadget>
<output>8.4</output>

<result>8.4</result>