Alright, let's work through 9891 times 6776 step by step
9891 × 6776 = 6776 × (9891)
+ 6776 × 1 that equals 6776
+ 6776 × 90 resulting in 609840
+ 6776 × 800 giving us 5420800
+ 6776 × 9000 yielding 60984000

= 67021416
