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

Input: Consider Input: Cigarette smokers have up to a _ times higher incidence of bladder cancer than non-smokers.

Output: four


Input: Consider Input: Ticks are small round arachnids with _ legs and can have either a soft or hard body.

Output: eight


Input: Consider Input: Most veterinarians recommend neutering at around _ months of age.


Output: six