Alright, let's work through 86224620 times 89473837 step by step
86224620 × 89473837 = 89473837 × (86224620)
+ 89473837 × 0 that is equal 0
+ 89473837 × 20 that equals 1789476740
+ 89473837 × 600 that results in 53684302200
+ 89473837 × 4000 that is equal 357895348000
+ 89473837 × 20000 which equals 1789476740000
+ 89473837 × 200000 resulting in 17894767400000
+ 89473837 × 6000000 giving us 536843022000000
+ 89473837 × 80000000 that results in 7157906960000000

= 7714847595266940
