
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 an opaque bag, there are several white balls and $15$ yellow balls. Except for the color, all these balls are the same. After each ball is drawn from the bag, its color is recorded and then put back. After many repeated experiments, it is found that the frequency of drawing a yellow ball stabilizes at $0.75$. Then the bag contains ____ white balls.

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