The volume difference between a cone and a cylinder with the same base and height is 12.5 cubic decimeters. What is the volume of this cylinder.
一个圆锥与它等底等高的圆柱的体积相差12.5立方分米．这个圆柱的体积是多少．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">12.5 / (2/3)</gadget>
<output>18.75</output>

<result>18.75</result>