Alright, let's work through 72643713 times 48924919 step by step
72643713 × 48924919 = 48924919 × (72643713)
+ 48924919 × 3 that results in 146774757
+ 48924919 × 10 what gives us 489249190
+ 48924919 × 700 that is equal 34247443300
+ 48924919 × 3000 that is equal 146774757000
+ 48924919 × 40000 giving us 1956996760000
+ 48924919 × 600000 giving us 29354951400000
+ 48924919 × 2000000 that is equal 97849838000000
+ 48924919 × 70000000 yielding 3424744330000000

= 3554087774384247
