
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
Calculate how much greater, in square centimeters, is the area of a circle with a diameter of 30 cm than the area of a circle with a radius of 10 cm. Additionally, include a smaller circle of radius 5 cm within the bigger circle and subtract its area as well in the solution.

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