No problem, we've got 1992 and 9939 to multiply
1992 × 9939 = 9939 × (1992)
+ 9939 × 2 producing 19878
+ 9939 × 90 that equals 894510
+ 9939 × 900 yielding 8945100
+ 9939 × 1000 that results in 9939000

= 19798488
