Answer:
8 ft 2 in.
Step-by-step explanation:
"Stumpy is 14 feet tall with his giant stilts"
"Stumpy is normally 5 feet 10 inches tall"
The height of the stilts is the difference between 14 ft and 5 ft 10 in.
14 ft - (5 ft 10 in.) = 13 ft 12 in. - (5 ft 10 in.) = 8 ft 2 in.