We're going to solve 72489442 multiplied by 880509
72489442 × 880509 = 880509 × (72489442)
+ 880509 × 2 producing 1761018
+ 880509 × 40 resulting in 35220360
+ 880509 × 400 that results in 352203600
+ 880509 × 9000 yielding 7924581000
+ 880509 × 80000 producing 70440720000
+ 880509 × 400000 which equals 352203600000
+ 880509 × 2000000 that equals 1761018000000
+ 880509 × 70000000 producing 61635630000000

= 63827606085978
