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.

[Q]: and his unsuccessful attempt to go to Cuba in late September of nineteen sixty three.
[A]: and his unsuccessful attempt to go to Cuba in late September of 1963.

[Q]: In addition to the order coupon the envelope contained a. U.S. postal money order for twenty one dollars, forty five cents,
[A]: In addition to the order coupon the envelope contained a. U.S. postal money order for $21.45,

[Q]: and left for Irving with Marina Oswald and June and most of the Oswalds' effects three days later.
[A]:
and left for Irving with Marina Oswald and June and most of the Oswalds' effects 3 days later.