If a cube with an edge length of 2 decimeters is cut into the largest cylinder, what is the volume of the cylinder in cubic decimeters? If it is cut into the largest cone, how much less will the volume of the cone be than the volume of the cylinder?
把棱长为2分米的正方体木块削成一个最大的圆柱，圆柱的体积是多少立方分米，若削成一个最大的圆锥，则圆锥的体积比圆柱的体积少几分之几？
<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">3.14 * 1 * 2</gadget>
<output>6.28</output>

<result>6.28</result>