Take a cuboid iron block with a base area of 64cm**2 and a height of 4cm, and forge it into a cuboid with a square cross section. The side length of the cross section is 5cm. What is the length of the forged cuboid in centimeters? (loss is ignored)
把一个底面积是64cm**2，高是4cm的长方体铁块，锻造成一个截面是正方形的长方体，截面的边长是5cm，锻造后的长方体的长是多少厘米？(耗损忽略不计)
<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">4 / 25</gadget>
<output>4/25 = around 0.16</output>

<gadget id="calculator">64 * (4/25)</gadget>
<output>256/25 = around 10.24</output>

<result>256/25 = around 10.24</result>