If a cube iron block with a side length of 8cm is forged into a rectangular parallelepiped iron bar with a height and a width of 2cm, how long can the iron bar be forged?
把一块棱长为8cm的正方体铁块锻造成高和宽都是2cm的长方体铁条，能锻造成多长的铁条？
<gadget id="calculator">8 / 2 / 2</gadget>
<output>2</output>

<gadget id="calculator">8 * 8 * 2</gadget>
<output>128</output>

<result>128</result>