Alright, let's work through 79629997 times 46397619 step by step
79629997 × 46397619 = 46397619 × (79629997)
+ 46397619 × 7 resulting in 324783333
+ 46397619 × 90 that results in 4175785710
+ 46397619 × 900 that is equal 41757857100
+ 46397619 × 9000 which equals 417578571000
+ 46397619 × 20000 yielding 927952380000
+ 46397619 × 600000 which equals 27838571400000
+ 46397619 × 9000000 that results in 417578571000000
+ 46397619 × 70000000 that equals 3247833330000000

= 3694642261777143
