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.

Tippit must have heard the description of the suspect wanted for the President's shooting; it was broadcast over channel one at twelve:forty five p.m.,
Tippit must have heard the description of the suspect wanted for the President's shooting; it was broadcast over channel 1 at 12:45 p.m.,

Truly estimated that he gave this information to Fritz about fifteen or twenty minutes after the shots,
Truly estimated that he gave this information to Fritz about 15 or 20 minutes after the shots,

Based on these films, the speed of the President's automobile is computed at an average speed of eleven point two miles per hour.
Based on these films, the speed of the President's automobile is computed at an average speed of 11.2 miles per hour.