Alright, let's work through 1191 times 8557 step by step
1191 × 8557 = 8557 × (1191)
+ 8557 × 1 yielding 8557
+ 8557 × 90 resulting in 770130
+ 8557 × 100 giving us 855700
+ 8557 × 1000 producing 8557000

= 10191387
