Alright, let's work through 64458313 times 7474973 step by step
64458313 × 7474973 = 7474973 × (64458313)
+ 7474973 × 3 which equals 22424919
+ 7474973 × 10 that results in 74749730
+ 7474973 × 300 resulting in 2242491900
+ 7474973 × 8000 producing 59799784000
+ 7474973 × 50000 yielding 373748650000
+ 7474973 × 400000 that results in 2989989200000
+ 7474973 × 4000000 which equals 29899892000000
+ 7474973 × 60000000 what gives us 448498380000000

= 481824149300549
