
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 order to help rebuild homes in the earthquake-stricken areas, all teachers and students in a class actively donated money. The total amount donated was $3150$ yuan. Among them, each of the $5$ teachers donated an average of $a$ yuan. Then the total amount donated by the students in the class is ______ yuan (expressed as an algebraic expression containing $a$).

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