
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
A bookshop owner received a shipment of "Adventures of Little Tim" books just before the summer reading season. She decides to display $30\%$ of them in the store and stores the rest in the back. If she left 210 books in storage, how many books did she receive in total?

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