If a cube with a side length of 2 decimeters is cut into the largest cylinder, what is its lateral area in square decimeters?
把一个棱长是2分米的正方体削成一个最大的圆柱体，它的侧面积是多少平方分米．
<gadget id="calculator">3.14 * 2 * 2</gadget>
<output>12.56</output>

<result>12.56</result>