cuboid steel with a length of 80 cm, a width and a height of 12 cm, how many square centimeters does its surface area decrease after sawing off the largest cube from one end of the steel?
一根长80厘米，宽和高都是12厘米的长方体钢材，从钢材的一端锯下一个最大的正方体后，它的表面积减少了多少平方厘米？
<gadget id="calculator">12 * 12 * 4</gadget>
<output>576</output>

<result>576</result>