Alright, let's work through 64359702 times 64055517 step by step
64359702 × 64055517 = 64055517 × (64359702)
+ 64055517 × 2 giving us 128111034
+ 64055517 × 00 that equals 0
+ 64055517 × 700 that results in 44838861900
+ 64055517 × 9000 that equals 576499653000
+ 64055517 × 50000 giving us 3202775850000
+ 64055517 × 300000 resulting in 19216655100000
+ 64055517 × 4000000 resulting in 256222068000000
+ 64055517 × 60000000 giving us 3843331020000000

= 4122593985575934
