A rectangle is 3 decimeters in length and 2 decimeters in width. If you rotate it around any side, you can get different cylinders. What is the volume of the larger cylinder in cubic decimeters?
一个长方形长3分米，宽2分米，以它的任意一边为轴旋转，能得到不同的圆柱体，其中较大的一个圆柱的体积是多少立方分米．
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9 * 2</gadget>
<output>56.52</output>

<result>56.52</result>