
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
Meena owns a bottle cap collection. While on a vacation, she finds a large number of bottle caps, increasing her collection size by  $40\%$ . Later on her same vacation, she decides that she does not like some of the bottle caps, so she gives away  $20\%$  of her current collection. Suppose that Meena owns  $21$  more bottle caps after her vacation than before her vacation. How many bottle caps did Meena have before her vacation?

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