Alright, let's work through 84282145 times 49336741 step by step
84282145 × 49336741 = 49336741 × (84282145)
+ 49336741 × 5 producing 246683705
+ 49336741 × 40 what gives us 1973469640
+ 49336741 × 100 producing 4933674100
+ 49336741 × 2000 that results in 98673482000
+ 49336741 × 80000 yielding 3946939280000
+ 49336741 × 200000 that results in 9867348200000
+ 49336741 × 4000000 that is equal 197346964000000
+ 49336741 × 80000000 that results in 3946939280000000

= 4158206358789445
