There are 8 cylindrical pillars in the hall. The circumference of their bases is 3.14 meters and the height is 6 meters. The surface of these pillars is painted with 0.5 kilograms of paint per square meter on average. How many kilograms of paint are needed in total?
大厅里有8根圆柱形的柱子，它们的底面周长是3.14米，高6米，在这些柱子的表面涂油漆，平均每平方米涂油漆0.5千克，共需要油漆多少千克？
<gadget id="calculator">3.14 * 6 * 8 * 0.5</gadget>
<output>75.36</output>

<result>75.36</result>