TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Cigarette smokers have up to a _ times higher incidence of bladder cancer than non-smokers.

SOLUTION: four

PROBLEM: Most anoles are said to live between _ and eight years.

SOLUTION: four

PROBLEM: Swans have black webbed feet with _ strongly nailed toes.

SOLUTION:
three