
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
Xiaoming's mother went to the store to buy soap. The unit prices of brand $A$ and brand $B$ soaps are 6 yuan and 9 yuan respectively. Xiaoming's mother can buy 2 more pieces of brand $A$ soap than brand $B$ soap with all the money she has, and there is no money left. How much money did Xiaoming's mother bring?

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