A cube of iron with a side length of 0.8 meters is forged into a rectangular parallelepiped iron with a width of 0.2 meters and a thickness of 0.02 meters. How long is the forged iron block? (solution with equation)
将一块棱长为0.8米的正方体铁块，锻造成宽0.2米厚0.02米的长方体铁块．锻造成的铁块长多少米？(用方程解答)
<gadget id="calculator">0.8 * 0.8 * 0.8</gadget>
<output>0.512</output>

<gadget id="calculator">0.2 * 0.02</gadget>
<output>0.004</output>

<gadget id="calculator">0.512 / 0.004</gadget>
<output>128</output>

<result>128</result>