A medicine box is 3 decimeters long, 2 decimeters wide, and 1 decimeter high. How many packaging methods are there to pack 5 such medicine boxes together into a rectangular cube? Please calculate the area of paper used for the kind of packaging that saves the most packaging paper. (overlap is not counted)
一种药品盒的长是3分米，宽2分米，高1分米．要将5个这样的药品盒包装在一起，并包装成长方体，有几种包装法？请你算出最省包装纸的那种包装所用纸的面积．(重叠不计)
<gadget id="calculator">3 * 2 * 2</gadget>
<output>12</output>

<gadget id="calculator">3 * 1 * 2</gadget>
<output>6</output>

<gadget id="calculator">2 * 1 * 2</gadget>
<output>4</output>

<gadget id="calculator">12 + 6 + 4</gadget>
<output>22</output>

<gadget id="calculator">22 * 5</gadget>
<output>110</output>

<gadget id="calculator">3 * 2 * 4</gadget>
<output>24</output>

<gadget id="calculator">110 - 24</gadget>
<output>86</output>

<result>86</result>