Alright, let's work through 83949384 times 75213339 step by step
83949384 × 75213339 = 75213339 × (83949384)
+ 75213339 × 4 producing 300853356
+ 75213339 × 80 resulting in 6017067120
+ 75213339 × 300 what gives us 22564001700
+ 75213339 × 9000 that results in 676920051000
+ 75213339 × 40000 that is equal 3008533560000
+ 75213339 × 900000 what gives us 67692005100000
+ 75213339 × 3000000 what gives us 225640017000000
+ 75213339 × 80000000 giving us 6017067120000000

= 6314113477633176
