parallelogram-shaped steel plate has a base of 1.5 meters and a height of 1.2 meters. If this steel plate weighs 25 kilograms per square meter, how many kilograms does this steel plate weigh?
一块平行四边形的钢板，底是1.5米、高是1.2米，如果这种钢板每平方米重25千克，这块钢板重多少千克？
<gadget id="calculator">1.5 * 1.2 * 25</gadget>
<output>45</output>

<result>45</result>