
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 younger brother is one of triplets. Xiaoming's age this year is equal to the sum of the ages of his three younger brothers. In 6 years, the sum of the ages of the three younger brothers will be twice Xiaoming's age. How old is Xiaoming this year?

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