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: She had a little fortune of her own, some one thousand seven hundred pounds or one thousand eight hundred pounds,

SOLUTION: She had a little fortune of her own, some £1700 or £1800,

PROBLEM: he broke open the chest and stole four thousand, seven hundred pounds in notes, with a quantity of gold and some silver.

SOLUTION: he broke open the chest and stole £4700 in notes, with a quantity of gold and some silver.

PROBLEM: The Corporation had agreed to spend twenty thousand pounds on alterations, but sixty thousand pounds would suffice to reconstruct.

SOLUTION:
The Corporation had agreed to spend £20,000 on alterations, but £60,000 would suffice to reconstruct.