Fill a cuboid container with a base area of 1000 square centimeters and a height of 5 cm, and pour it into a cube container with a side length of 20 cm. How deep is the water in the cube container?
把一个底面积为1000平方厘米，高5厘米的长方体容器盛满水，倒入一个棱长为20厘米的正方体容器，问正方体容器里的水深多少厘米？
<gadget id="calculator">20 * 20</gadget>
<output>400</output>

<gadget id="calculator">5 / 400</gadget>
<output>1/80 = around 0.0125</output>

<gadget id="calculator">1_000 * (1/80)</gadget>
<output>25/2 = around 12.5</output>

<result>25/2 = around 12.5</result>