A parallelogram steel plate has a base of 2.5 meters and a height of 1.2 meters, and weighs 12.5 kilograms per square meter. How many kilograms does this steel plate weigh?
一块平行四边形钢板，底2.5米，高1.2米，每平方米重12.5千克，这块钢板重多少千克？
<gadget id="calculator">2.5 * 1.2 * 12.5</gadget>
<output>37.5</output>

<result>37.5</result>