Alright, let's work through 73801065 times 19712420 step by step
73801065 × 19712420 = 19712420 × (73801065)
+ 19712420 × 5 producing 98562100
+ 19712420 × 60 resulting in 1182745200
+ 19712420 × 000 that results in 0
+ 19712420 × 1000 resulting in 19712420000
+ 19712420 × 00000 giving us 0
+ 19712420 × 800000 resulting in 15769936000000
+ 19712420 × 3000000 what gives us 59137260000000
+ 19712420 × 70000000 yielding 1379869400000000

= 1454797589727300
