Alright, let's work through 1189 times 6637 step by step
1189 × 6637 = 6637 × (1189)
+ 6637 × 9 producing 59733
+ 6637 × 80 that results in 530960
+ 6637 × 100 which equals 663700
+ 6637 × 1000 producing 6637000

= 7891393
