parallelogram plaque has a base of 20.2 meters and a height of 4.2 meters. To paint this plaque, 0.6 kilograms of paint is used per square meter. How many kilograms of paint are needed?
一块平行四边形的牌匾，底是20.2米，高是4.2米，给这块牌匾刷上油漆，每平方米用油漆0.6千克，需要多少千克油漆？
<gadget id="calculator">20.2 * 4.2 * 0.6</gadget>
<output>50.904</output>

<result>50.904</result>