Alright, let's work through 73904457 times 29108427 step by step
73904457 × 29108427 = 29108427 × (73904457)
+ 29108427 × 7 producing 203758989
+ 29108427 × 50 producing 1455421350
+ 29108427 × 400 giving us 11643370800
+ 29108427 × 4000 that equals 116433708000
+ 29108427 × 00000 yielding 0
+ 29108427 × 900000 which equals 26197584300000
+ 29108427 × 3000000 resulting in 87325281000000
+ 29108427 × 70000000 that results in 2037589890000000

= 2151242491559139
