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

Ex Input:
Smokers die an average of six to _ years earlier than nonsmokers.

Ex Output:
eight

Ex Input:
Full sun is classified as any area that receives a minimum of _ hours of direct sunlight each day.

Ex Output:
six

Ex Input:
Insects have six jointed legs and _ body parts.

Ex Output:
three