A cube container with a side length of 12 cm is filled with water and poured into a cuboid container with a base length of 20 cm, a width of 15 cm, and a height of 18 cm. What is the depth of the water in cm?
一个正方体的容器，棱长12厘米，装满水后，倒入一底面长20厘米，宽15厘米，高18厘米的长方体容器中，现在水的深度是多少厘米？
<gadget id="calculator">20 * 15</gadget>
<output>300</output>

<gadget id="calculator">12 / 300</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">12 * 12 * (1/25)</gadget>
<output>144/25 = around 5.76</output>

<result>144/25 = around 5.76</result>