Let's calculate 1597 x 9983
1597 × 9983 = 9983 × (1597)
+ 9983 × 7 which equals 69881
+ 9983 × 90 that results in 898470
+ 9983 × 500 resulting in 4991500
+ 9983 × 1000 that equals 9983000

= 15942851
