Alright, let's work through 84196249 times 20082985 step by step
84196249 × 20082985 = 20082985 × (84196249)
+ 20082985 × 9 giving us 180746865
+ 20082985 × 40 what gives us 803319400
+ 20082985 × 200 that is equal 4016597000
+ 20082985 × 6000 that results in 120497910000
+ 20082985 × 90000 giving us 1807468650000
+ 20082985 × 100000 resulting in 2008298500000
+ 20082985 × 4000000 which equals 80331940000000
+ 20082985 × 80000000 resulting in 1606638800000000

= 1690912005723265
