Alright, let's work through 80462150 times 81694342 step by step
80462150 × 81694342 = 81694342 × (80462150)
+ 81694342 × 0 giving us 0
+ 81694342 × 50 what gives us 4084717100
+ 81694342 × 100 yielding 8169434200
+ 81694342 × 2000 yielding 163388684000
+ 81694342 × 60000 producing 4901660520000
+ 81694342 × 400000 yielding 32677736800000
+ 81694342 × 0000000 giving us 0
+ 81694342 × 80000000 that results in 6535547360000000

= 6573302400155300
