Alright, let's work through 2887 times 9661 step by step
2887 × 9661 = 9661 × (2887)
+ 9661 × 7 giving us 67627
+ 9661 × 80 that results in 772880
+ 9661 × 800 producing 7728800
+ 9661 × 2000 yielding 19322000

= 27891307
