parallelogram street billboard has a base of 12.5 meters and a height of 6.4 meters. If you want to decorate this billboard with 0.6 kg of paint per square meter, how many kg of paint is needed?
一块平行四边形的街头广告牌，底是12.5米，高是6.4米．如果要油饰这块广告牌，每平方米用油漆0.6千克，需要多少千克油漆？
<gadget id="calculator">12.5 * 6.4 * 0.6</gadget>
<output>48</output>

<result>48</result>