If a cylinder is cut into a cone with the same base and height, the volume of the cut part is 26 cubic decimeters. What is the volume of the cone?
把一个圆柱削成一个和它等底等高的圆锥，削去部分的体积是26立方分米，这个圆锥的体积是多少立方分米．
<gadget id="calculator">26 / 2</gadget>
<output>13</output>

<result>13</result>