We're going to solve 9139 multiplied by 8939
9139 × 8939 = 8939 × (9139)
+ 8939 × 9 producing 80451
+ 8939 × 30 that equals 268170
+ 8939 × 100 that is equal 893900
+ 8939 × 9000 that equals 80451000

= 81693521
