A cuboid steel plate weighs 128.7 kilograms, is 2.2 meters long and 1.5 meters wide, and weighs 7.8 kilograms per cubic decimeter of steel. How thick is this steel plate?
一块长方体钢板重128.7千克，长2.2米，宽1.5米，每立方分米钢重7.8千克．这块钢板厚多少分米？
<gadget id="calculator">2.2 * 10 * 1.5 * 10</gadget>
<output>330</output>

<gadget id="calculator">128.7 / 7.8 / 330</gadget>
<output>0.05</output>

<result>0.05</result>