
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 a box, there are $a$ white balls and $3$ red balls. After thoroughly mixing the balls each time, one ball is randomly picked, its color is noted, and then it is placed back into the box. Given that the frequency of picking a white ball stabilizes at around $80\%$, calculate the approximate value of $a$.

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