Master Li melted a cube with a side length of 8 decimeters into a cuboid part with a width of 5 decimeters and a height of 4 decimeters. What is the length of this cuboid part in decimeters? (solution by equation)
李师傅把一个棱长8分米的正方体熔铸成一个宽5分米、高4分米的长方体零件．这个长方体零件的长是多少分米？(用方程解)
<gadget id="calculator">8 * 8 * 8</gadget>
<output>512</output>

<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<gadget id="calculator">512 / 20</gadget>
<output>128/5 = around 25.6</output>

<result>128/5 = around 25.6</result>