
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
There are four students, Sun Ming, Zhu Liang, Tang Qiang, and Sha Qigang, from Class 3 who are participating in a $4 \times 100$ meter relay race. Sha Qigang has the strongest sprinting ability, and Teacher Li has already decided to put him in the fourth position. How many different arrangements are there for this relay race?

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