A cuboid container is 2 decimeters in length, 1.5 decimeters in width, and 2 decimeters in height. The water depth in the container is 1.2 decimeters. After a stone is put in, the water rises by 0.2 decimeters. This is the volume of the stone.
一个长方体容器长2分米，宽1.5分米，高2分米，容器内水深1.2分米，放入一块石头后水上升0.2分米，来这块石头的体积．
<gadget id="calculator">2 * 1.5 * 0.2</gadget>
<output>0.6</output>

<result>0.6</result>