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.

You will find the mailbox in the post office which is located four blocks from the drugstore on that street.
You will find the mailbox in the post office which is located 4 blocks from the drugstore on that street.

one hundred seventy dollars in a wallet in his wife's room in Irving.
$170 in a wallet in his wife's room in Irving.

On the twenty seventh April, in the following year,

On the 27th April, in the following year,