Pour 2 liters of water into a cuboid container with a length of 25 cm, a width of 8 cm, and a height of 15 cm. What is the height of the water surface in cm?
把2升的水，倒进一个长是25厘米，宽是8厘米，高是15厘米的长方体容器中，水面高是多少厘米？
<gadget id="calculator">25 * 8</gadget>
<output>200</output>

<gadget id="calculator">1_000 / 200</gadget>
<output>5</output>

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

<result>10</result>