A cuboid container is filled with water, and a cube of iron with side length 24 cm is submerged in the water. Now take out the iron block, the water level drops by 18 cm; if a cuboid iron block with a length of 18 cm, a width of 16 cm, and a height of 12 cm is immersed in the water: how many centimeters will the water level rise?
一个长方体容器里面装有水，一块棱长24厘米的正方体铁块浸没在水中．现将铁块取出，水面下降18厘米；如果将一个长18厘米，宽16厘米，高12厘米的长方体铁块浸入水中：水面将上升多少厘米？
<gadget id="calculator">18 * 16 * 12</gadget>
<output>3_456</output>

<gadget id="calculator">24 * 24 * 24</gadget>
<output>13_824</output>

<gadget id="calculator">13_824 / 18</gadget>
<output>768</output>

<gadget id="calculator">3_456 / 768</gadget>
<output>9/2 = around 4.5</output>

<result>9/2 = around 4.5</result>