
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
Tony needs to paint 20 right, cylindrical columns. Only the lateral surfaces of each column will be painted. Each column is 12 feet tall with a diameter of 12 feet. One gallon of paint will cover 400 square feet. How many gallons of paint must Tony buy, considering only whole gallons can be purchased?

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