Alright, let's work through 8600 times 9881 step by step
8600 × 9881 = 9881 × (8600)
+ 9881 × 0 producing 0
+ 9881 × 00 giving us 0
+ 9881 × 600 giving us 5928600
+ 9881 × 8000 which equals 79048000

= 84976600
