Alright, let's work through 79968629 times 67422502 step by step
79968629 × 67422502 = 67422502 × (79968629)
+ 67422502 × 9 what gives us 606802518
+ 67422502 × 20 that results in 1348450040
+ 67422502 × 600 resulting in 40453501200
+ 67422502 × 8000 producing 539380016000
+ 67422502 × 60000 resulting in 4045350120000
+ 67422502 × 900000 what gives us 60680251800000
+ 67422502 × 9000000 resulting in 606802518000000
+ 67422502 × 70000000 giving us 4719575140000000

= 5391685048689758
