We're going to solve 9907 multiplied by 3927
9907 × 3927 = 3927 × (9907)
+ 3927 × 7 resulting in 27489
+ 3927 × 00 that is equal 0
+ 3927 × 900 resulting in 3534300
+ 3927 × 9000 giving us 35343000

= 38904789
