If two cubes of 5 cm sides are glued together to form a cuboid, does the surface area increase or decrease? How many square centimeters has it increased or decreased?
把两个棱长均为5厘米的正方体木块粘成一个长方体，表面积增加了还是减少了？增加或减少了多少平方厘米？
<gadget id="calculator">5 * 5 * 2</gadget>
<output>50</output>

<result>50</result>