Alright, let's work through 83742811 times 73121214 step by step
83742811 × 73121214 = 73121214 × (83742811)
+ 73121214 × 1 resulting in 73121214
+ 73121214 × 10 which equals 731212140
+ 73121214 × 800 that equals 58496971200
+ 73121214 × 2000 yielding 146242428000
+ 73121214 × 40000 which equals 2924848560000
+ 73121214 × 700000 which equals 51184849800000
+ 73121214 × 3000000 what gives us 219363642000000
+ 73121214 × 80000000 that equals 5849697120000000

= 6123376004092554
