Fill a tank with a length of 40 cm, a width of 30 cm, and a height of 25 cm with water, and pour the water into a cube tank with a side length of 50 cm. How many centimeters is the water depth (the thickness of the tank is ignored)?
在一个长40cm，宽30cm，高25cm的水槽中加满水，将这些水再倒入一个棱长50cm的正方体水槽中．水深多少厘米(水槽厚度忽略不计)？
<gadget id="calculator">50 * 50</gadget>
<output>2_500</output>

<gadget id="calculator">25 / 2_500</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">40 * 30 * (1/100)</gadget>
<output>12</output>

<result>12</result>