A cuboid glass tank with a length of 8dm, a width of 6dm, and a height of 4m contains some water, and the water depth is 2.8m. If a piece of iron with a side length of 4dm cube is submerged in water, how many liters of water in the jar will overflow?
一只长为8dm，宽为6dm，高为4m的长方体玻璃缸中盛有一些水，水深2.8米．如果将一块棱长为4dm正方体的铁块，浸没水中，那么缸里的水会溢出多少升？
<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>