Cut a cylinder into the largest cone. The volume of the cone is 9.42 cubic centimeters. What is the volume of the cylinder?
把一个圆柱削成一个最大的圆锥，圆锥的体积是9.42立方厘米，该圆柱的体积是多少立方厘米．
<gadget id="calculator">9.42 * 3</gadget>
<output>28.26</output>

<result>28.26</result>