Alright, let's work through 72506147 times 67678776 step by step
72506147 × 67678776 = 67678776 × (72506147)
+ 67678776 × 7 that equals 473751432
+ 67678776 × 40 yielding 2707151040
+ 67678776 × 100 resulting in 6767877600
+ 67678776 × 6000 that equals 406072656000
+ 67678776 × 00000 giving us 0
+ 67678776 × 500000 what gives us 33839388000000
+ 67678776 × 2000000 which equals 135357552000000
+ 67678776 × 70000000 which equals 4737514320000000

= 4907127281436072
