Alright, let's work through 72372945 times 55000765 step by step
72372945 × 55000765 = 55000765 × (72372945)
+ 55000765 × 5 that equals 275003825
+ 55000765 × 40 which equals 2200030600
+ 55000765 × 900 giving us 49500688500
+ 55000765 × 2000 which equals 110001530000
+ 55000765 × 70000 producing 3850053550000
+ 55000765 × 300000 that results in 16500229500000
+ 55000765 × 2000000 that equals 110001530000000
+ 55000765 × 70000000 producing 3850053550000000

= 3980567340302925
