A cuboid pool is 3 meters long, 2 meters wide, and 1.5 meters deep. After a stone is thrown in, the water level rises by 0.2 meters. Find the volume of the stone.
一个长方体水池长3米，宽2米，水深1.5米，投入一块石头后，水面上升0.2米，求这块石头的体积．
<gadget id="calculator">3 * 2 * 0.2</gadget>
<output>1.2</output>

<result>1.2</result>