
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Squares, each 8 units on a side, are removed from a 25 unit by 40 unit rectangular sheet of cardboard. After removing the squares, the remaining cardboard is folded to form an open box. Find the surface area, in square units, of the interior and the exterior of the box.

Present the answer in LaTex format: \boxed{Your answer}
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