There are 2 cuboid pillars in the school hall. The bottom surface of the pillars is a square with a side length of 50cm and a height of 3.5m. Now the pillars are to be covered with tiles. How many square meters is the total area of the tiles?
学校大厅里有2根长方体的柱子，柱子的底面边长50cm的正方形，高3.5m，现要把柱子贴上瓷砖，贴瓷砖的面积共是多少平方米？
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">3.5 * (1/2) * 4 * 2</gadget>
<output>14</output>

<result>14</result>