Alright, let's work through 64332316 times 64680481 step by step
64332316 × 64680481 = 64680481 × (64332316)
+ 64680481 × 6 that results in 388082886
+ 64680481 × 10 that equals 646804810
+ 64680481 × 300 which equals 19404144300
+ 64680481 × 2000 resulting in 129360962000
+ 64680481 × 30000 resulting in 1940414430000
+ 64680481 × 300000 what gives us 19404144300000
+ 64680481 × 4000000 that is equal 258721924000000
+ 64680481 × 60000000 which equals 3880828860000000

= 4161045142723996
