Definition: 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: Oswald purchased the money order for the rifle on March twelve, the rifle was shipped on March twenty, and the shooting occurred on April ten.
Output:
Oswald purchased the money order for the rifle on March 12, the rifle was shipped on March 20, and the shooting occurred on April 10.