
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
What percent of a square $ABCD$ is shaded if the square has a side length of 7 units? The shaded regions are formed as follows: a square of side length 1 unit in the bottom left corner, a larger contiguous shaded region formed by extending 2 units to the right and 4 units up from the original shaded square, and another region formed by extending 3 units to the right and 6 units up from the first extended region. All angles are right angles.

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