TASK 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.
PROBLEM: It bore the manufacturer's serial number C two seven six six.

SOLUTION: It bore the manufacturer's serial number C2766.

PROBLEM: Oswald was five foot nine inches, slender and twenty four years old.

SOLUTION: Oswald was 5 foot 9 inches, slender and 24 years old.

PROBLEM: Some of the members of that group saw a good deal of the Oswalds through the fall of nineteen sixty three,

SOLUTION:
Some of the members of that group saw a good deal of the Oswalds through the fall of 1963,