Let's calculate 84290983 x 13458983
84290983 × 13458983 = 13458983 × (84290983)
+ 13458983 × 3 yielding 40376949
+ 13458983 × 80 resulting in 1076718640
+ 13458983 × 900 resulting in 12113084700
+ 13458983 × 0000 yielding 0
+ 13458983 × 90000 what gives us 1211308470000
+ 13458983 × 200000 which equals 2691796600000
+ 13458983 × 4000000 giving us 53835932000000
+ 13458983 × 80000000 that is equal 1076718640000000

= 1134470907250289
