A cuboid container is 2 decimeters long and 1.5 decimeters wide. After a piece of sweet potato was put in, the water level rose by 0.5 decimeters (the water did not overflow). What is the volume of this sweet potato?
一个长方体容器，底面长2分米，宽1.5分米．放入一块番薯后，水面升高了0.5分米(水没有溢出)．这块番薯的体积是多少？
<gadget id="calculator">2 * 1.5 * 0.5</gadget>
<output>1.5</output>

<result>1.5</result>