Alright, let's work through 72421915 times 45196611 step by step
72421915 × 45196611 = 45196611 × (72421915)
+ 45196611 × 5 resulting in 225983055
+ 45196611 × 10 producing 451966110
+ 45196611 × 900 that equals 40676949900
+ 45196611 × 1000 yielding 45196611000
+ 45196611 × 20000 that results in 903932220000
+ 45196611 × 400000 what gives us 18078644400000
+ 45196611 × 2000000 giving us 90393222000000
+ 45196611 × 70000000 that results in 3163762770000000

= 3273225120130065
