A rectangular parallelepiped glass tank is 8cm long, 4cm wide, 4cm high, and 2.8cm deep. If a square iron block with a side length of 4cm is put in, how many liters of water will the tank overflow?
一个长方体的玻璃缸，长8cm，宽4cm，高4cm，水深2.8cm，如果投入一块棱长为4cm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 * 4 * 2.8</gadget>
<output>89.6</output>

<gadget id="calculator">8 * 4 * 4</gadget>
<output>128</output>

<gadget id="calculator">89.6 - 128</gadget>
<output>-38.4</output>

<gadget id="calculator">64 + (-38.4)</gadget>
<output>25.6</output>

<result>25.6</result>