cylinder and a cone have the same base and height, the volume of the cylinder is 12.6 cubic meters, what is the volume of the cone in cubic meters
一个圆柱和一个圆锥等底等高，这个圆柱的体积是12.6立方米，则这个圆锥的体积是多少立方米
<gadget id="calculator">12.6 / 3</gadget>
<output>4.2</output>

<result>4.2</result>