Alright, let's work through 8209009 times 14109878 step by step
8209009 × 14109878 = 14109878 × (8209009)
+ 14109878 × 9 resulting in 126988902
+ 14109878 × 00 that is equal 0
+ 14109878 × 000 resulting in 0
+ 14109878 × 9000 that is equal 126988902000
+ 14109878 × 00000 giving us 0
+ 14109878 × 200000 which equals 2821975600000
+ 14109878 × 8000000 that results in 112879024000000

= 115828115490902
