The edge length of a cube container is 2 decimeters. After putting a tomato, the water level rises by 0.1 decimeters. What is the volume of this tomato?
一个正方体容器的棱长为2分米，放入一个西红柿后水面升高了0.1分米，这个西红柿的体积是多少？
<gadget id="calculator">2 * 2 * 0.1</gadget>
<output>0.4</output>

<result>0.4</result>