How many square centimeters of wrapping paper is needed to pack 12 small cube cartons with wrapping paper into a cuboid? (When packing, use 120 square centimeters of wrapping paper for the overlapping parts.)
把12个棱长都是5厘米的小正方体纸盒用包装纸包装成长方体，至少需要多少平方厘米的包装纸？(包装时重叠部分多用120平方厘米的包装纸．)
<gadget id="calculator">10 * 10</gadget>
<output>100</output>

<gadget id="calculator">10 * 15</gadget>
<output>150</output>

<gadget id="calculator">100 + 150 + 150</gadget>
<output>400</output>

<gadget id="calculator">2 * 400</gadget>
<output>800</output>

<gadget id="calculator">800 + 120</gadget>
<output>920</output>

<result>920</result>