In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Example Input: Coho usually live for _ years and grow rapidly in their final year.
Example Output: three

Example Input: Smokers tend to become disabled and retire early _ times more than non-smokers.
Example Output: six

Example Input: Most babies outgrow colic by the time they are _ or four months old.
Example Output:
three