A cuboid iron bucket is 25 cm long and 20 cm wide. Pour 10 liters of water into the bucket, which is exactly half of the bucket. How many centimeters is the depth of the bucket measured from the inside?
一个长方体的铁皮水桶，长25厘米，宽20厘米，把10升水倒入水桶中，正好是半桶水，从里面量这个水桶深多少厘米？
<gadget id="calculator">25 * 20</gadget>
<output>500</output>

<gadget id="calculator">1_000 / 500</gadget>
<output>2</output>

<gadget id="calculator">10 * 2 * 2</gadget>
<output>40</output>

<result>40</result>