TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Rodents have _ toes on their front feet and five on the hind feet.

SOLUTION: four

PROBLEM: Relative wealth affects the market in _ ways.

SOLUTION: two

PROBLEM: Erbium is obtained by separating yttria, found in the mineral gadolinite, into _ parts.

SOLUTION:
three