Alright, let's work through 9811 times 7949 step by step
9811 × 7949 = 7949 × (9811)
+ 7949 × 1 that equals 7949
+ 7949 × 10 producing 79490
+ 7949 × 800 that equals 6359200
+ 7949 × 9000 resulting in 71541000

= 77987639
