The length, width and height of a cuboid gift box are 12 centimeters, 8 centimeters and 4 centimeters respectively. How many square centimeters of wrapping paper should be used to pack 3 boxes of this gift box?
一种长方体礼盒的长、宽、高分别是12厘米、8厘米、4厘米，要包装3盒这样的礼盒，至少要用多少平方厘米的包装纸？
<gadget id="calculator">12 * 8</gadget>
<output>96</output>

<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">96 + 48 + 32</gadget>
<output>176</output>

<gadget id="calculator">176 * 2 * 3</gadget>
<output>1_056</output>

<gadget id="calculator">12 * 8 * 4</gadget>
<output>384</output>

<gadget id="calculator">1_056 - 384</gadget>
<output>672</output>

<result>672</result>