Alright, let's work through 1344 times 6643 step by step
1344 × 6643 = 6643 × (1344)
+ 6643 × 4 giving us 26572
+ 6643 × 40 producing 265720
+ 6643 × 300 that equals 1992900
+ 6643 × 1000 producing 6643000

= 8928192
