A cube steel billet with a side length of 0.8 meters is forged into a cuboid steel billet with a bottom side length of 0.5 meters. What is the length of the cuboid? (solution by equation)
把棱长为0.8米的正方体钢坯锻成底面边长为0.5米的长方体钢坯，长方体长为多少米？(用方程解)
<gadget id="calculator">0.8 * 0.8 * 0.8</gadget>
<output>0.512</output>

<gadget id="calculator">0.5 ** 2</gadget>
<output>0.25</output>

<gadget id="calculator">0.512 / 0.25</gadget>
<output>2.048</output>

<result>2.048</result>