The general Ideal Gas Law formula is
PV = nRT
For this scenario you want to solve for the volume (V) and then plug in the values that you know from the information given in the question
V = nRT / P
V = (9.2891 mol x 0.08206 L atm / mol K * 351.17 K) / 9.6873 atm = 27.63
meaning that the calculated volume here is 27.63 L