Alright, let's work through 72148940 times 18904027 step by step
72148940 × 18904027 = 18904027 × (72148940)
+ 18904027 × 0 that results in 0
+ 18904027 × 40 that results in 756161080
+ 18904027 × 900 that equals 17013624300
+ 18904027 × 8000 that is equal 151232216000
+ 18904027 × 40000 producing 756161080000
+ 18904027 × 100000 producing 1890402700000
+ 18904027 × 2000000 that is equal 37808054000000
+ 18904027 × 70000000 that is equal 1323281890000000

= 1363905509781380
