
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
The fuel tank capacity of a car is 50 liters. After filling up the tank, the car departs from Shanghai to Harbin, which is 2560 kilometers away. It is known that the car consumes 8 liters of fuel for every 100 kilometers driven. To ensure driving safety, there should be at least 6 liters of fuel in the tank at all times. How many times must the car refuel on the way to Harbin?

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