A cuboid glass tank is 8 decimeters long, 6 decimeters wide, 4 decimeters high, and 2.8 decimeters deep. How many liters of water in the jar will overflow if a cube of iron with a side length of 4 decimeters is thrown in?
一只长方体的玻璃缸，长8分米，宽6分米，高4分米，水深2.8分米．如果投入一块棱长为4分米的正方体铁块，缸里的水溢出多少升？
<gadget id="calculator">8 * 6 * 2.8</gadget>
<output>134.4</output>

<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

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

<gadget id="calculator">64 - 192</gadget>
<output>-128</output>

<gadget id="calculator">134.4 + (-128)</gadget>
<output>6.4</output>

<result>6.4</result>