There are 5 pillars in the hall of Hailing Park. The perimeter of their base is 3.14 meters and the height is 6 meters. If paint is sprayed on the surface of each pillar, 2 square meters can be sprayed per kilogram of paint. How many kilograms of paint are needed in total?
海陵公园大厅有5根圆柱子，它们的底面周长都是3.14米，高6米，如果在每根柱子的表面喷漆，每千克漆可喷2平方米，共需多少千克油漆？
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">3.14 * 6 * (5/2)</gadget>
<output>47.1</output>

<result>47.1</result>