
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
Anna must paint 10 right cylindrical pillars. Like Tony's problem, the top and bottom faces of each column will not be painted. Each column is 20 feet tall and has a diameter of 8 feet. One gallon of paint can cover 400 square feet. If paint is sold only in full gallons, how many gallons of paint must Anna buy to paint all 10 pillars?

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