Alright, let's work through 79098456 times 77588259 step by step
79098456 × 77588259 = 77588259 × (79098456)
+ 77588259 × 6 what gives us 465529554
+ 77588259 × 50 what gives us 3879412950
+ 77588259 × 400 which equals 31035303600
+ 77588259 × 8000 what gives us 620706072000
+ 77588259 × 90000 that is equal 6982943310000
+ 77588259 × 000000 that results in 0
+ 77588259 × 9000000 producing 698294331000000
+ 77588259 × 70000000 that results in 5431178130000000

= 6137111490628104
