Finding max mass of iron (iii) oxide

Given the following equation. What is the maximum mass of FeO3 that can be prepared when 360.0g of FeS2 are mixed with 47.5g of oxygen gas?

A balanced equation is this: 4 FeS2 (s) + 11 O2 (g) —-> 2 Fe2O3 (s) + 8 SO2 (g)