Process a cuboid wood whose length, width, and height are 10 cm, 6 cm, and 4 cm respectively into a largest cylinder. What is the area occupied by this cylinder?
把一个长、宽、高分别为10厘米、6厘米、4厘米的长方体木料加工成一个最大的圆柱体，这个圆柱体的占地面积是多少．
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<result>12.56</result>