
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
In a certain city, the taxi fare is charged as follows: a base fare of 8 yuan for up to 3km (including 3km), from 3km to 10km (including 10km) an additional 1.5 yuan per km, and beyond 10km, an additional 0.8 yuan per km. If a person takes a taxi for 20km, how much should they pay in total?

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