A cylinder and a cone have the same base and height, and their volumes differ by 10 cubic decimeters. What is the volume of the cone?
一个圆柱和一个圆锥等底等高，它们的体积相差10立方分米，圆锥的体积是多少立方分米．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<result>5</result>