What we're going to do, is to use Boyle's law:
In this problem, we're given the following information:
P1 = 760mmHg (Which is the standard pressure)
V1 = 1492 mL
P2 = 768 mmHg
V2 = ?
Let's replace these values in the equation and then solve for V2:
The gas will occupy a volume about 1480 ml.