parallelogram billboard has a base of 12.5 meters and a height of 8.8 meters. If you want to paint this billboard, you need 0.5 kilograms of paint per square meter. How many kilograms of paint are needed?
一块平行四边形广告牌，底是12.5米，高8.8米，如果要油饰这块广告牌，每平方米用油漆0.5千克，需要多千克油漆？
<gadget id="calculator">12.5 * 8.8 * 0.5</gadget>
<output>55</output>

<result>55</result>