Alright, let's work through 18083704 times 39592278 step by step
18083704 × 39592278 = 39592278 × (18083704)
+ 39592278 × 4 resulting in 158369112
+ 39592278 × 00 yielding 0
+ 39592278 × 700 giving us 27714594600
+ 39592278 × 3000 that equals 118776834000
+ 39592278 × 80000 giving us 3167382240000
+ 39592278 × 000000 that results in 0
+ 39592278 × 8000000 producing 316738224000000
+ 39592278 × 10000000 what gives us 395922780000000

= 715975036037712
