Hyphens are used to link words that function as a single adjective before a noun. They are used with compound numbers, and to avoid confusion or awkward letter combinations. Hyphens are also used with certain prefixes and suffixes and/or in specific circumstances.
if you mean something sweet it's definetely chocolate !
especially hershey's kisses, they're my favorite
A boy is (herding) the buffalo in the rice field
The answer would be 2,448 miles