Alright, let's work through 54026080 times 54199824 step by step
54026080 × 54199824 = 54199824 × (54026080)
+ 54199824 × 0 yielding 0
+ 54199824 × 80 resulting in 4335985920
+ 54199824 × 000 resulting in 0
+ 54199824 × 6000 producing 325198944000
+ 54199824 × 20000 that equals 1083996480000
+ 54199824 × 000000 resulting in 0
+ 54199824 × 4000000 giving us 216799296000000
+ 54199824 × 50000000 what gives us 2709991200000000

= 2928204027409920
