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

Ex Input:
Glycolysis occurs in the cytoplasm and produces _ pyruvic acid.

Ex Output:
two

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

Ex Output:
six

Ex Input:
Robins can have up to _ clutches per year and are thus capable of very rapid reproduction.

Ex Output:
three