Let's calculate 9831 x 1030
9831 × 1030 = 1030 × (9831)
+ 1030 × 1 what gives us 1030
+ 1030 × 30 that results in 30900
+ 1030 × 800 that results in 824000
+ 1030 × 9000 that results in 9270000

= 10125930
