Multi-turn user requests:
user: I'd like to take a look at a specific report. Would you send me the content of the last line.
user: The report name is 'finance_report.txt'.
user: According to the financial report, what's the mean of revenue and expense and profit. Write it in a new file called statistics.txt
user: Move the statistics to the notes folder

Tools involved: GorillaFileSystem
MathAPI
Expected function-call sequence: GorillaFileSystem.cd
GorillaFileSystem.touch
GorillaFileSystem.cp
GorillaFileSystem.mv
GorillaFileSystem.grep
GorillaFileSystem.sort
GorillaFileSystem.tail