TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Ostrichs only have _ toes, and one toenail.

SOLUTION: two

PROBLEM: Rodents have _ toes on their front feet and five on the hind feet.

SOLUTION: four

PROBLEM: Heavy infestations can kill an entire lawn in as few as _ days.

SOLUTION:
four