
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 soccer team consists of 15 players, and it is necessary to choose 4 captains for different roles. If it is mandatory that one of the captains must be the team's current goalkeeper, in how many ways can the remaining 3 captains be chosen from the other players?

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