There is a cuboid with a length and width of 2 cm and a height of 14 cm. Cut it into small cubes with side lengths of 2 cm. The sum of the surface areas of these small cubes is greater than the surface area of the cuboid by how many square centimeters.
有一个长方体，长和宽是2厘米，高14厘米，把它截成棱长是2厘米的小正方体，这些小正方体表面积的和比长方体的表面积增加多少平方厘米．
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">14 / 2</gadget>
<output>7</output>

<gadget id="calculator">7 - 1</gadget>
<output>6</output>

<gadget id="calculator">6 * 2</gadget>
<output>12</output>

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

<result>48</result>