parallelogram street billboard has a base of 13.5 meters and a height of 6.3 meters. If the billboard is to be decorated with oil, 0.62 kilograms of paint is used per square meter. How many kilograms of paint are needed?
一个平行四边形的街头广告牌，底是13.5米，高是6.3米，如果要油饰这块广告牌，每平方米用油漆0.62千克，需要多少千克油漆？
<gadget id="calculator">13.5 * 6.3 * 0.62</gadget>
<output>52.731</output>

<result>52.731</result>