A cuboid glass tank is 8dm long, 6dm wide, 4dm high, and the water depth is 2.8dm. How many liters of water in the tank will overflow if a cube of iron with a side length of 4dm is thrown in?
一只长方体的玻璃缸，长8dm，宽6dm，高4dm，水深2.8dm．如果投入一块棱长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 * 2.8</gadget>
<output>134.4</output>

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

<gadget id="calculator">134.4 - 192</gadget>
<output>-57.6</output>

<gadget id="calculator">64 + (-57.6)</gadget>
<output>6.4</output>

<result>6.4</result>