The side length of a cube is 5 decimeters, if it is cut into two identical cuboids, how much will the sum of the surface areas of the two cuboids increase compared to the surface area of the cube?
一个正方体的棱长是5分米，如果把它切成两个相同的长方体，两个长方体的表面积之和比正方体表面积增加了多少？
<gadget id="calculator">5 * 5 * 2</gadget>
<output>50</output>

<result>50</result>