
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
Alice buys a large, ornate rectangular mirror (the inner region) designed to fit precisely inside a decorative frame. The external dimensions of the frame are 100 cm by 140 cm. Each side of the frame is 15 cm wide. What is the area of the mirror only?

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