Alright, let's work through 64012607 times 86005262 step by step
64012607 × 86005262 = 86005262 × (64012607)
+ 86005262 × 7 giving us 602036834
+ 86005262 × 00 yielding 0
+ 86005262 × 600 what gives us 51603157200
+ 86005262 × 2000 that is equal 172010524000
+ 86005262 × 10000 producing 860052620000
+ 86005262 × 000000 yielding 0
+ 86005262 × 4000000 producing 344021048000000
+ 86005262 × 60000000 what gives us 5160315720000000

= 5505421036338034
