The task is reading a paragraph containing numbers as digits. The digits can be used to represent Quantity, Dates and Time, Addresses or Positions. Convert the digits into their text equivalents. If a number has a prefix, postfix or punctuation preserve it in the text equivalent. 100000 is translated as hundred thousand, Roman numerals are also translated. If multiple numbers are present convert all instances.

In 606, Nineveh, the old enemy of Babylon, fell, never to rise again.
In six oh six, Nineveh, the old enemy of Babylon, fell, never to rise again.

Fischer looked up and watched the man in the window for 10 or 15 seconds and then started watching the motorcade, which came into view on Houston Street.
Fischer looked up and watched the man in the window for ten or fifteen seconds and then started watching the motorcade, which came into view on Houston Street.

It had been supposed up to this date that he had willed his property, amounting in all to upwards of £200,000,

It had been supposed up to this date that he had willed his property, amounting in all to upwards of two hundred thousand pounds,

