If 2 liters of water are poured into a cuboid container with a bottom area of 200 square centimeters, what is the height of the water surface?
把2升水倒入底面积为200平方厘米的长方体容器中，那么水面的高度是多少．
<gadget id="calculator">1_000 / 200</gadget>
<output>5</output>

<gadget id="calculator">2 * 5</gadget>
<output>10</output>

<result>10</result>