Put some water in a cuboid fish tank with a length of 60 cm, a width of 54 cm, and a depth of 45 cm, and immerse an iron block with a length of 12 cm, a width of 18 cm, and a height of 15 cm in the water, and take the iron block out of the water. How many centimeters will it drop?
在一个长60厘米、宽54厘米、深45厘米的长方体鱼缸里放入一些水，并在水中浸入一块长12厘米、宽18厘米、高15厘米的铁块，把铁块从水中取出，水面将下降多少厘米？
<gadget id="calculator">60 * 54</gadget>
<output>3_240</output>

<gadget id="calculator">15 / 3_240</gadget>
<output>1/216 = around 0.00463</output>

<gadget id="calculator">12 * 18 * (1/216)</gadget>
<output>1</output>

<result>1</result>