Alright, let's work through 8987 times 2259 step by step
8987 × 2259 = 2259 × (8987)
+ 2259 × 7 what gives us 15813
+ 2259 × 80 that results in 180720
+ 2259 × 900 what gives us 2033100
+ 2259 × 8000 resulting in 18072000

= 20301633
