A cylinder and a cone have the same volume, and the circumference of the base of the cylinder is twice that of the cone. The height of the cylinder is the height of the cone ((())/(())).
一个圆柱体和一个圆锥体的体积相等，圆柱的底面周长是圆锥的2倍．圆柱的高是圆锥高的((())/(()))．
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<result>1/12 = around 0.083333</result>