A parallelogram iron plate has a base length of 10 decimeters and a height of 4.6 decimeters. If the iron plate weighs 0.75 kg per square meter, how much does the iron plate weigh?
一块平行四边形的铁板，底边长度是10分米，高是4.6分米，如果每平方米铁板重0.75千克，这块铁板重多少千克？
<gadget id="calculator">4.6 / 100</gadget>
<output>0.046</output>

<gadget id="calculator">10 * 0.046 * 0.75</gadget>
<output>0.345</output>

<result>0.345</result>