A billboard is a parallelogram with a base of 12.5m and a height of 6.4m. If 0.6kg of paint is used per square meter, how many kg of paint will be used in total?
一块广告牌是平行四边形，底是12.5m，高是6.4m，如果每平方米用油漆0.6kg，一共需要用多少kg油漆？
<gadget id="calculator">12.5 * 6.4 * 0.6</gadget>
<output>48</output>

<result>48</result>