Alright, let's work through 64975318 times 42400062 step by step
64975318 × 42400062 = 42400062 × (64975318)
+ 42400062 × 8 resulting in 339200496
+ 42400062 × 10 producing 424000620
+ 42400062 × 300 that results in 12720018600
+ 42400062 × 5000 resulting in 212000310000
+ 42400062 × 70000 that results in 2968004340000
+ 42400062 × 900000 yielding 38160055800000
+ 42400062 × 4000000 what gives us 169600248000000
+ 42400062 × 60000000 yielding 2544003720000000

= 2754957511669716
