A trapezoidal billboard has an upper base of 24 decimeters, a lower base of 36 decimeters, and a height of 16 decimeters. If this billboard is painted (both front and back), 2 kilograms of paint is required per square meter. How many kilograms of paint is required in total?
一块梯形广告牌，上底24分米，下底36分米，高16分米，如果油漆这块广告牌(正反都漆)，每平方米需要油漆2千克，共要油漆多少千克？
<gadget id="calculator">24 + 36</gadget>
<output>60</output>

<gadget id="calculator">16 / 2 / 100</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">2 * 60 * (2/25)</gadget>
<output>48/5 = around 9.6</output>

<result>48/5 = around 9.6</result>