Alright, let's work through 63254063 times 8460013 step by step
63254063 × 8460013 = 8460013 × (63254063)
+ 8460013 × 3 that equals 25380039
+ 8460013 × 60 giving us 507600780
+ 8460013 × 000 that equals 0
+ 8460013 × 4000 resulting in 33840052000
+ 8460013 × 50000 that results in 423000650000
+ 8460013 × 200000 what gives us 1692002600000
+ 8460013 × 3000000 what gives us 25380039000000
+ 8460013 × 60000000 which equals 507600780000000

= 535130195282819
