We're going to solve 9879 multiplied by 1209
9879 × 1209 = 1209 × (9879)
+ 1209 × 9 giving us 10881
+ 1209 × 70 which equals 84630
+ 1209 × 800 producing 967200
+ 1209 × 9000 resulting in 10881000

= 11943711
