Multi-turn user requests:
user: I have a list of student record, could you find me where is it by telling me its location?
user: The name of the file is needed to locate it.
user: Look at the student_record.txt and tell me the average score.
user: What about the standard deviation?

Tools involved: GorillaFileSystem
MathAPI
Expected function-call sequence: GorillaFileSystem.touch
GorillaFileSystem.echo
GorillaFileSystem.sort
GorillaFileSystem.wc
MathAPI.mean