
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 profit from selling one pen is 9 yuan, and the cost price of a teddy bear is 2 yuan. A store implements a promotional offer: "Buy 4 pens and get one teddy bear for free." The total profit from the promotion is 1922 yuan. How many pens were sold during this promotion?

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