There are four cuboid wooden columns with a length and width of 0.5m and a height of 12m standing in the main hall of a certain temple. Now paint the four sides of the four wooden pillars with 0.6 kg of paint per square meter. How many kilograms of paint are needed?
某寺院大殿立有四根长、宽均为0.5m，高12m的长方体木柱．现把这4根木柱的四周都涂上油漆，每平方米用0.6千克油漆．共需油漆多少千克？
<gadget id="calculator">0.5 * 4</gadget>
<output>2</output>

<gadget id="calculator">2 * 12</gadget>
<output>24</output>

<gadget id="calculator">24 * 4 * 0.6</gadget>
<output>57.6</output>

<result>57.6</result>