A cuboid glass tank has a length of 8dm, a width of 6dm, a height of 4dm, and a water depth of 3dm. If a cube of iron with a side length of 4dm is put in, how many liters of water will overflow in the tank?
一只长方体的玻璃缸，长8dm，宽6dm，高4dm，水深3dm，如果投入一块棱长为4dm的正方体铁块，缸里的水溢出多少升？
<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

<gadget id="calculator">8 * 6 * 3</gadget>
<output>144</output>

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

<gadget id="calculator">144 - 192</gadget>
<output>-48</output>

<gadget id="calculator">64 + (-48)</gadget>
<output>16</output>

<result>16</result>