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.

None of the marksmen had any practice with the assassination weapon except for exercising the bolt for two or three minutes on a dry run.
None of the marksmen had any practice with the assassination weapon except for exercising the bolt for 2 or 3 minutes on a dry run.

Within a couple of years the number of persons sentenced to death in England had fallen from four hundred and thirty eight in eighteen thirty seven
Within a couple of years the number of persons sentenced to death in England had fallen from four hundred and thirty eight in 1837

Apart from his relatives, Oswald had no friends or close associates in Texas when he returned there in June of nineteen sixty two,
Apart from his relatives, Oswald had no friends or close associates in Texas when he returned there in June of 1962,