Alright, let's work through 54349140 times 76901023 step by step
54349140 × 76901023 = 76901023 × (54349140)
+ 76901023 × 0 yielding 0
+ 76901023 × 40 that is equal 3076040920
+ 76901023 × 100 that results in 7690102300
+ 76901023 × 9000 that results in 692109207000
+ 76901023 × 40000 that equals 3076040920000
+ 76901023 × 300000 that results in 23070306900000
+ 76901023 × 4000000 that results in 307604092000000
+ 76901023 × 50000000 producing 3845051150000000

= 4179504465170220
