A cube-shaped object has a side length of 2 decimeters. To wrap 4 such objects with paper, the minimum square centimeter of paper should be used. (overlap is ignored)
一种正方体形状的物体棱长是2分米，要把4个这样的物体用纸包起来，最少要用纸平方厘米多少．(重叠处忽略不计)
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">16 + 8 + 8</gadget>
<output>32</output>

<gadget id="calculator">32 * 2 * 100</gadget>
<output>6_400</output>

<result>6_400</result>