Let's calculate 8439 x 5027
8439 × 5027 = 5027 × (8439)
+ 5027 × 9 which equals 45243
+ 5027 × 30 that results in 150810
+ 5027 × 400 which equals 2010800
+ 5027 × 8000 that is equal 40216000

= 42422853
