Instructions: The task is to read a passage and convert numbers in their text forms into digit forms. The text numbers can be used to represent Quantity, Dates and Time, Addresses or Positions.
Input: The Seven Wonders of the Ancient World. By Edgar J. Banks. Chapter two. The Walls of Babylon.
Output:
The Seven Wonders of the Ancient World. By Edgar J. Banks. Chapter 2. The Walls of Babylon.