Alright, let's work through 83379950 times 74197515 step by step
83379950 × 74197515 = 74197515 × (83379950)
+ 74197515 × 0 that results in 0
+ 74197515 × 50 that results in 3709875750
+ 74197515 × 900 that results in 66777763500
+ 74197515 × 9000 what gives us 667777635000
+ 74197515 × 70000 that equals 5193826050000
+ 74197515 × 300000 what gives us 22259254500000
+ 74197515 × 3000000 giving us 222592545000000
+ 74197515 × 80000000 resulting in 5935801200000000

= 6186585090824250
