If the diameter of the base of a cone is twice the diameter of the base of a cylinder, and the height of the cylinder is (3/4) the height of the cone, then the volume of the cylinder is equal to the volume of the cone.
一个圆锥的底面直径是一个圆柱的底面直径的2倍，且圆柱的高是圆锥高的(3/4)，那么，圆柱的体积是圆锥体积的多少．
<gadget id="calculator">9 / 16</gadget>
<output>9/16 = around 0.5625</output>

<result>9/16 = around 0.5625</result>