Alright, let's work through 72286974 times 51225771 step by step
72286974 × 51225771 = 51225771 × (72286974)
+ 51225771 × 4 producing 204903084
+ 51225771 × 70 what gives us 3585803970
+ 51225771 × 900 what gives us 46103193900
+ 51225771 × 6000 producing 307354626000
+ 51225771 × 80000 what gives us 4098061680000
+ 51225771 × 200000 producing 10245154200000
+ 51225771 × 2000000 what gives us 102451542000000
+ 51225771 × 70000000 that is equal 3585803970000000

= 3702955976406954
