Alright, let's work through 1197 times 6643 step by step
1197 × 6643 = 6643 × (1197)
+ 6643 × 7 what gives us 46501
+ 6643 × 90 that is equal 597870
+ 6643 × 100 producing 664300
+ 6643 × 1000 giving us 6643000

= 7951671
