
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
Ella needs to paint 20 cylindrical drums. The top and bottom of each drum will not be painted. Each drum is 15 feet tall and has a diameter of 8 feet. One gallon of paint will cover 300 square feet. Ella can only purchase paint in full gallons. How many gallons of paint does Ella need to buy?

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