There are 5 identical cylindrical pillars in the library foyer of Erling Central School. The perimeter of these pillars is 6.28 meters and the height is 3.2 meters. If they are all to be painted, what is the total area of the painted part?
珥陵中心校图书馆门厅有5根完全相同的圆柱体柱子，这些柱子的周长是6.28米、高3.2米，要把它们全部刷上油漆，油漆部分的总面积是多少平方米．
<gadget id="calculator">6.28 * 3.2 * 5</gadget>
<output>100.48</output>

<result>100.48</result>