A trapezoidal steel plate, the upper base is 3.6dm, the lower base is 4dm, and the height is 1.5dm. This steel plate weighs 1.8 kg per square decimeter, how much does this steel plate weigh in kg?
一块梯形的钢板，上底是3.6dm，下底是4dm，高1.5dm．这种钢板每平方分米重1.8kg，这块钢板重多少kg？
<gadget id="calculator">3.6 + 4</gadget>
<output>7.6</output>

<gadget id="calculator">1.5 / 2</gadget>
<output>0.75</output>

<gadget id="calculator">7.6 * 0.75 * 1.8</gadget>
<output>10.26</output>

<result>10.26</result>