Alright, let's work through 9456863 times 79154128 step by step
9456863 × 79154128 = 79154128 × (9456863)
+ 79154128 × 3 giving us 237462384
+ 79154128 × 60 that equals 4749247680
+ 79154128 × 800 what gives us 63323302400
+ 79154128 × 6000 which equals 474924768000
+ 79154128 × 50000 yielding 3957706400000
+ 79154128 × 400000 yielding 31661651200000
+ 79154128 × 9000000 yielding 712387152000000

= 748549744380464
