Alright, let's work through 1159 times 1989 step by step
1159 × 1989 = 1989 × (1159)
+ 1989 × 9 producing 17901
+ 1989 × 50 that equals 99450
+ 1989 × 100 yielding 198900
+ 1989 × 1000 yielding 1989000

= 2305251
