Alright, let's work through 64388059 times 45636274 step by step
64388059 × 45636274 = 45636274 × (64388059)
+ 45636274 × 9 producing 410726466
+ 45636274 × 50 giving us 2281813700
+ 45636274 × 000 what gives us 0
+ 45636274 × 8000 what gives us 365090192000
+ 45636274 × 80000 producing 3650901920000
+ 45636274 × 300000 which equals 13690882200000
+ 45636274 × 4000000 that equals 182545096000000
+ 45636274 × 60000000 yielding 2738176440000000

= 2938431102852166
