Alright, let's work through 63600676 times 69745406 step by step
63600676 × 69745406 = 69745406 × (63600676)
+ 69745406 × 6 giving us 418472436
+ 69745406 × 70 yielding 4882178420
+ 69745406 × 600 which equals 41847243600
+ 69745406 × 0000 resulting in 0
+ 69745406 × 00000 giving us 0
+ 69745406 × 600000 giving us 41847243600000
+ 69745406 × 3000000 resulting in 209236218000000
+ 69745406 × 60000000 producing 4184724360000000

= 4435854969494456
