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: As the Prison Discipline Society pertinently observed in a report dated eighteen twenty,

A: As the Prison Discipline Society pertinently observed in a report dated 1820,
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Q: At the time of the assassination the names of about one hundred persons were in this index, all of whom were included in the group of four hundred

A: At the time of the assassination the names of about 100 persons were in this index, all of whom were included in the group of 400
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Q: On August twenty two, it learned that Oswald had appeared on a radio discussion program on August twenty one.

A:
On August 22, it learned that Oswald had appeared on a radio discussion program on August 21.
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