Alright, let's work through 64081493 times 59791963 step by step
64081493 × 59791963 = 59791963 × (64081493)
+ 59791963 × 3 that equals 179375889
+ 59791963 × 90 giving us 5381276670
+ 59791963 × 400 producing 23916785200
+ 59791963 × 1000 that equals 59791963000
+ 59791963 × 80000 producing 4783357040000
+ 59791963 × 000000 giving us 0
+ 59791963 × 4000000 what gives us 239167852000000
+ 59791963 × 60000000 that results in 3587517780000000

= 3831558258440759
