Alright, let's work through 79992755 times 70572619 step by step
79992755 × 70572619 = 70572619 × (79992755)
+ 70572619 × 5 that results in 352863095
+ 70572619 × 50 that equals 3528630950
+ 70572619 × 700 which equals 49400833300
+ 70572619 × 2000 giving us 141145238000
+ 70572619 × 90000 that equals 6351535710000
+ 70572619 × 900000 yielding 63515357100000
+ 70572619 × 9000000 yielding 635153571000000
+ 70572619 × 70000000 yielding 4940083330000000

= 5645298221375345
