cuboid glass tank is 8dm in length, 6dm in width, 5dm in height, and 2.5dm in water depth. If a cube iron block with a side length of 5dm is put in, how many cubic decimeters will the water in the tank overflow?
一个长方体的玻璃缸，长8dm，宽6dm，高5dm，水深2.5dm，如果投入一块棱长为5dm的正方体铁块，缸里的水溢出多少立方分米？
<gadget id="calculator">5 * 5 * 5</gadget>
<output>125</output>

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

<gadget id="calculator">8 * 6 * 5</gadget>
<output>240</output>

<gadget id="calculator">120 - 240</gadget>
<output>-120</output>

<gadget id="calculator">125 + (-120)</gadget>
<output>5</output>

<result>5</result>