
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
Dave plans to paint 20 right, cylindrical water tanks. Only the curved surface of each tank will be painted. Each tank is 24 feet tall and has a diameter of 8 feet. One gallon of paint covers 400 square feet. Given that paint is only sold in whole gallons, how many gallons of paint must Dave purchase?

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