If a cuboid with a length of 12 cm, a width of 8 cm, and a height of 5 cm is cut into three identical cuboids, how much will the surface area increase?
把一个长12厘米，宽8厘米，高5厘米的长方体，切成三个完全相同的长方体，表面积增加多少？
<gadget id="calculator">12 / 3</gadget>
<output>4</output>

<gadget id="calculator">8 * 5 * 4</gadget>
<output>160</output>

<result>160</result>