No problem, we've got 4489 and 4047 to multiply
4489 × 4047 = 4047 × (4489)
+ 4047 × 9 yielding 36423
+ 4047 × 80 yielding 323760
+ 4047 × 400 that results in 1618800
+ 4047 × 4000 that results in 16188000

= 18166983
