parallelogram steel plate has a base length of 2.5 meters and a height of 1.4 meters. If the steel plate weighs 25.8 kg per square meter, how much does the steel plate weigh?
一个平行四边形钢板，底长为2.5米，高为1.4米，如果每平方米钢板重25.8千克，那么这块钢板重多少千克？
<gadget id="calculator">2.5 * 1.4 * 25.8</gadget>
<output>90.3</output>

<result>90.3</result>