Take a piece of steel truss whose side length is 8 decimeters and forge it into a rectangular truss whose length is 5 decimeters and whose width is 4 decimeters. What is the height of the cuboid after forging? (solution by equation)
把一块边长为8分米正方体钢柸，锻造成长是5分米，宽是4分米的长方体钢柸．锻造后长方体的高是多少分米？(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>