cuboid container filled with water has a bottom surface of 5 decimeters long, 3 decimeters wide, and 4 decimeters high. When a stone is completely submerged in the water, the water level rises by 0.2 decimeters. What is the volume of the stone?
一个盛水的长方体容器，底面长5分米，宽3分米，高4分米，把一块石头完全浸没水中后，水面升高了0.2分米，这块石头的体积是多少？
<gadget id="calculator">5 * 3 * 0.2</gadget>
<output>3</output>

<result>3</result>