No problem, we've got 3958 and 9907 to multiply
3958 × 9907 = 9907 × (3958)
+ 9907 × 8 giving us 79256
+ 9907 × 50 that equals 495350
+ 9907 × 900 producing 8916300
+ 9907 × 3000 yielding 29721000

= 39211906
