Alright, let's work through 72340415 times 68764961 step by step
72340415 × 68764961 = 68764961 × (72340415)
+ 68764961 × 5 that equals 343824805
+ 68764961 × 10 producing 687649610
+ 68764961 × 400 resulting in 27505984400
+ 68764961 × 0000 giving us 0
+ 68764961 × 40000 yielding 2750598440000
+ 68764961 × 300000 which equals 20629488300000
+ 68764961 × 2000000 that equals 137529922000000
+ 68764961 × 70000000 which equals 4813547270000000

= 4974485816198815
