Alright, let's work through 63854064 times 54524742 step by step
63854064 × 54524742 = 54524742 × (63854064)
+ 54524742 × 4 what gives us 218098968
+ 54524742 × 60 what gives us 3271484520
+ 54524742 × 000 resulting in 0
+ 54524742 × 4000 giving us 218098968000
+ 54524742 × 50000 resulting in 2726237100000
+ 54524742 × 800000 resulting in 43619793600000
+ 54524742 × 3000000 that is equal 163574226000000
+ 54524742 × 60000000 producing 3271484520000000

= 3481626365251488
