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.

[EX Q]: In eighteen seventy one they crossed the Atlantic,
[EX A]: In 1871 they crossed the Atlantic,

[EX Q]: There was an epidemic of murder in the United Kingdom about eighteen forty eight to nine.
[EX A]: There was an epidemic of murder in the United Kingdom about 1848 to 9.

[EX Q]: Chapter four. The Assassin: Part eight.
[EX A]:
Chapter 4. The Assassin: Part 8.