Alright, let's work through 72778307 times 45889972 step by step
72778307 × 45889972 = 45889972 × (72778307)
+ 45889972 × 7 that is equal 321229804
+ 45889972 × 00 giving us 0
+ 45889972 × 300 what gives us 13766991600
+ 45889972 × 8000 which equals 367119776000
+ 45889972 × 70000 producing 3212298040000
+ 45889972 × 700000 giving us 32122980400000
+ 45889972 × 2000000 resulting in 91779944000000
+ 45889972 × 70000000 what gives us 3212298040000000

= 3339794470437404
