
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 two groups of numbers. The average of the first group is $12.8$, and the average of the second group is $10.2$. The overall average of these two groups is $12.02$. What is the ratio of the number of elements in the first group to the number of elements in the second group?

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