Alright, let's work through 54678483 times 31754904 step by step
54678483 × 31754904 = 31754904 × (54678483)
+ 31754904 × 3 which equals 95264712
+ 31754904 × 80 that results in 2540392320
+ 31754904 × 400 that results in 12701961600
+ 31754904 × 8000 which equals 254039232000
+ 31754904 × 70000 resulting in 2222843280000
+ 31754904 × 600000 that results in 19052942400000
+ 31754904 × 4000000 that equals 127019616000000
+ 31754904 × 50000000 yielding 1587745200000000

= 1736309978530632
