There are 6 cylindrical pillars of the same size in the hall of Chengxi Primary School. The radius of each pillar is 5 decimeters and the height is 6 meters. If these pillars are to be cleaned, how many square meters will the cleaning area be?
城西小学大厅内有6根一样大小的圆柱形柱子，每根柱子的半径是5分米，高6米，如果要清洗这些柱子，清洗的面积是多少平方米．
<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">3.14 * 2 * (1/2) * 6 * 6</gadget>
<output>113.04</output>

<result>113.04</result>