After cutting a small square with a side length of 2 decimeters from each of the four corners of a square iron sheet, the remaining part is just welded into a square iron sheet box without a cover. What is its volume in liters?
从一块正方形铁皮的四个角各剪下一个边长是2分米的小正方形后，剩余部分恰好焊成一个无盖的正方体的铁皮盒，它的容积是多少升．
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>

<result>8</result>