Alright, let's work through 84934355 times 50789376 step by step
84934355 × 50789376 = 50789376 × (84934355)
+ 50789376 × 5 what gives us 253946880
+ 50789376 × 50 what gives us 2539468800
+ 50789376 × 300 yielding 15236812800
+ 50789376 × 4000 resulting in 203157504000
+ 50789376 × 30000 that results in 1523681280000
+ 50789376 × 900000 giving us 45710438400000
+ 50789376 × 4000000 producing 203157504000000
+ 50789376 × 80000000 which equals 4063150080000000

= 4313762891412480
