Alright, let's work through 8553 times 7961 step by step
8553 × 7961 = 7961 × (8553)
+ 7961 × 3 which equals 23883
+ 7961 × 50 yielding 398050
+ 7961 × 500 giving us 3980500
+ 7961 × 8000 producing 63688000

= 68090433
