Alright, let's work through 6481385 times 49398946 step by step
6481385 × 49398946 = 49398946 × (6481385)
+ 49398946 × 5 producing 246994730
+ 49398946 × 80 producing 3951915680
+ 49398946 × 300 yielding 14819683800
+ 49398946 × 1000 resulting in 49398946000
+ 49398946 × 80000 yielding 3951915680000
+ 49398946 × 400000 that is equal 19759578400000
+ 49398946 × 6000000 which equals 296393676000000

= 320173587620210
