A cuboid glass tank with a length of 8dm, a width of 6dm, a height of 4dm, and a water depth of 2.5dm. How many liters of water will overflow the tank if a cube of iron with a side length of 5dm is thrown in?
一只长方体的玻璃缸，长8dm、宽6dm、高4dm，水深2.5dm．如果投入一块棱长为5dm的正方体铁块，缸里的水溢出多少升？
<gadget id="calculator">5 * 5 * 4</gadget>
<output>100</output>

<gadget id="calculator">8 * 6 * 2.5</gadget>
<output>120</output>

<gadget id="calculator">8 * 6 * 4</gadget>
<output>192</output>

<gadget id="calculator">120 - 192</gadget>
<output>-72</output>

<gadget id="calculator">100 + (-72)</gadget>
<output>28</output>

<result>28</result>