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

Example Input: Pups consume an average of _ liters of milk a day .
Example Output: eight

Example Input: Urushiol oil can be active on any surface for _ years and possibly longer.
Example Output: five

Example Input: Autism is _ times more likely to be found in boys than girls.
Example Output:
four