We're going to solve 7629 multiplied by 1089
7629 × 1089 = 1089 × (7629)
+ 1089 × 9 that is equal 9801
+ 1089 × 20 giving us 21780
+ 1089 × 600 resulting in 653400
+ 1089 × 7000 producing 7623000

= 8307981
