There are 12 cuboid columns at the entrance of a park, and each column is limited to 2.4 meters in length and 0.8 meters in width. 11.5 meters high. Paste marble around and above each column, how many square meters is the area of each column covered with marble?
一个公园入口处有12根长方体的立柱，每限立柱长2.4米，宽0.8米．高11.5米．在每根立柱的四周和上面贴大理石，每根立柱贴大理石的面积至少是多少平方米？
<gadget id="calculator">2.4 * 0.8</gadget>
<output>1.92</output>

<gadget id="calculator">2.4 * 11.5</gadget>
<output>27.6</output>

<gadget id="calculator">0.8 * 11.5</gadget>
<output>9.2</output>

<gadget id="calculator">27.6 + 9.2</gadget>
<output>36.8</output>

<gadget id="calculator">36.8 * 2</gadget>
<output>73.6</output>

<gadget id="calculator">1.92 + 73.6</gadget>
<output>75.52</output>

<gadget id="calculator">75.52 * 12</gadget>
<output>906.24</output>

<result>906.24</result>