Alright, let's work through 78374379 times 56494870 step by step
78374379 × 56494870 = 56494870 × (78374379)
+ 56494870 × 9 giving us 508453830
+ 56494870 × 70 producing 3954640900
+ 56494870 × 300 what gives us 16948461000
+ 56494870 × 4000 that results in 225979480000
+ 56494870 × 70000 what gives us 3954640900000
+ 56494870 × 300000 which equals 16948461000000
+ 56494870 × 8000000 giving us 451958960000000
+ 56494870 × 70000000 yielding 3954640900000000

= 4427750352935730
