Add water to a container, each time the height of the water surface increases by 0.2 decimeters, and it is still not satisfied after adding 10 times, what is the depth of the water in the container now?
往一个容器里加水，每次水面的高度增加0.2分米，加了10次还不满，现在容器里的水深是多少分米．
<gadget id="calculator">0.2 * 10</gadget>
<output>2</output>

<result>2</result>