Alright, let's work through 2686 times 9878 step by step
2686 × 9878 = 9878 × (2686)
+ 9878 × 6 that equals 59268
+ 9878 × 80 that equals 790240
+ 9878 × 600 producing 5926800
+ 9878 × 2000 giving us 19756000

= 26532308
