A cuboid container filled with water has a bottom area of 2 decimeters and a water depth of 1.5 decimeters. After putting an apple in, the water level rises by 0.2 decimeters. What is the volume of the apple?
一个有水的长方体容器，底面积是2平方分米，水深1.5分米，放入一个苹果后水面升高了0.2分米，这个苹果的体积是多少？
<gadget id="calculator">2 * 0.2</gadget>
<output>0.4</output>

<result>0.4</result>