If a cuboid with a length of 8 cm and a width of 5 cm and a height of 5 cm is cut into two identical cuboids, what is the minimum increase in surface area in square centimeters?
把长8厘米、宽和高都是5厘米的长方体切成两个完全一样的长方体，表面积最少增加多少平方厘米．
<gadget id="calculator">5 * 5 * 2</gadget>
<output>50</output>

<result>50</result>