TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Acrobats mount a single bicycle until _ people in all are stacked on top of it.

SOLUTION: ten

PROBLEM: Aquatic adults have prominent red reathery gills, are large, and have _ toes on each foot.

SOLUTION: four

PROBLEM: Millwrights generally work _ hour days.

SOLUTION:
eight