Alright, let's work through 8645 times 4987 step by step
8645 × 4987 = 4987 × (8645)
+ 4987 × 5 resulting in 24935
+ 4987 × 40 what gives us 199480
+ 4987 × 600 producing 2992200
+ 4987 × 8000 which equals 39896000

= 43112615
