
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
A car has a fuel tank capacity of 50 liters. After filling it up, the car departs from Shanghai to Harbin, which is 2560 kilometers away. The car consumes 8 liters of fuel per 100 kilometers. To ensure driving safety, at least 6 liters of fuel should be left in the tank. How many times does the car need to refuel on the way to Harbin?

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