
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
Given that the first character can be chosen from 5 digits (3, 5, 6, 8, 9), and the third character from the left can be chosen from 4 letters (B, C, D), and the other 3 characters can be chosen from 3 digits (1, 3, 6, 9), and the last character from the left can be chosen from the remaining 3 digits (1, 3, 6, 9), find the total number of possible license plate numbers available for this car owner.

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