Alright, let's work through 63787064 times 49285263 step by step
63787064 × 49285263 = 49285263 × (63787064)
+ 49285263 × 4 which equals 197141052
+ 49285263 × 60 resulting in 2957115780
+ 49285263 × 000 resulting in 0
+ 49285263 × 7000 that equals 344996841000
+ 49285263 × 80000 that equals 3942821040000
+ 49285263 × 700000 yielding 34499684100000
+ 49285263 × 3000000 resulting in 147855789000000
+ 49285263 × 60000000 giving us 2957115780000000

= 3143762225237832
