No problem, we've got 1989 and 8178 to multiply
1989 × 8178 = 8178 × (1989)
+ 8178 × 9 that results in 73602
+ 8178 × 80 producing 654240
+ 8178 × 900 producing 7360200
+ 8178 × 1000 yielding 8178000

= 16266042
