A cuboid container is 90 cm long and 40 cm wide. A cuboid iron block with a height of 1 meter and a side length of 15 cm stands upright in the container. At this time, the water depth in the container is 0.5 meters. Now lift the iron block slightly upwards by 24 cm, how many centimeters is the length of the water-soaked part of the iron block exposed to the water?
一个长方体容器，长90厘米，宽40厘米．容器里直立着一个高1米，底面边长是15厘米的长方体铁块，这时容器里的水深0.5米．现在把铁块轻轻地向上提起24厘米，那么露出水面的铁块上被水浸湿的部分长多少厘米？
<gadget id="calculator">90 * 40</gadget>
<output>3_600</output>

<gadget id="calculator">15 * 15</gadget>
<output>225</output>

<gadget id="calculator">3_600 - 225</gadget>
<output>3_375</output>

<gadget id="calculator">24 / 3_375</gadget>
<output>8/1_125 = around 0.007111</output>

<gadget id="calculator">15 * 15 * (8/1_125)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">24 + (8/5)</gadget>
<output>128/5 = around 25.6</output>

<result>128/5 = around 25.6</result>