Alright, let's work through 79397390 times 42119688 step by step
79397390 × 42119688 = 42119688 × (79397390)
+ 42119688 × 0 producing 0
+ 42119688 × 90 what gives us 3790771920
+ 42119688 × 300 yielding 12635906400
+ 42119688 × 7000 that results in 294837816000
+ 42119688 × 90000 that results in 3790771920000
+ 42119688 × 300000 yielding 12635906400000
+ 42119688 × 9000000 which equals 379077192000000
+ 42119688 × 70000000 yielding 2948378160000000

= 3344193294814320
