
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 charging standards of a certain parking lot are as follows: the parking fee for a medium-sized car is $15$ yuan per car, and the parking fee for a small car is $8$ yuan per car. Now there are $30$ medium and small cars parked in the parking lot, and these cars have paid a total parking fee of $324$ yuan. Find out how many medium and small cars there are.

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