1248.
There are three fourths in three fourths!
312 mm is equal to .312 meters.
There are four fourths.
Eighteen twenty-fourths.
60 (sixty)
17 of them.
4
There are 3 fourths
12 fourths
It depends on what version you have, but the one I have has 312 pages.
There is 4992 feet in 312 yards.
312 inches = 26 feet.