We're going to solve 9939 multiplied by 4098
9939 × 4098 = 4098 × (9939)
+ 4098 × 9 that is equal 36882
+ 4098 × 30 resulting in 122940
+ 4098 × 900 resulting in 3688200
+ 4098 × 9000 resulting in 36882000

= 40730022
