Alright, let's work through 29976857 times 56307842 step by step
29976857 × 56307842 = 56307842 × (29976857)
+ 56307842 × 7 what gives us 394154894
+ 56307842 × 50 yielding 2815392100
+ 56307842 × 800 yielding 45046273600
+ 56307842 × 6000 producing 337847052000
+ 56307842 × 70000 giving us 3941548940000
+ 56307842 × 900000 giving us 50677057800000
+ 56307842 × 9000000 yielding 506770578000000
+ 56307842 × 20000000 that results in 1126156840000000

= 1687932127612594
