
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 is tasked with painting 20 right, cylindrical columns. The top face and bottom face of each column will not be painted. Each column is 20 feet tall and has a diameter of 10 feet. One gallon of paint covers 350 square feet. Given that paint is sold only in full gallons, how many gallons of paint must Tony buy?

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