A cone and a cylinder have the same volume and the same base area. It is known that the height of the cone is 4 cm, what is the height of the cylinder.
一个圆锥与一个圆柱体积相等，底面积也相等．已知圆锥的高的是4厘米，圆柱的高是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 4</gadget>
<output>4/3 = around 1.333333</output>

<result>4/3 = around 1.333333</result>