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

Input: Consider Input: Pharmacists dispense nearly _ billion prescriptions a year.

Output: three


Input: Consider Input: Most crops require at least _ to eight hours of full sun a day to thrive.

Output: six


Input: Consider Input: Butterflies have three legs and _ body sections and they fly.


Output: three