Alright, let's work through 6643 times 2632 step by step
6643 × 2632 = 2632 × (6643)
+ 2632 × 3 that is equal 7896
+ 2632 × 40 which equals 105280
+ 2632 × 600 that results in 1579200
+ 2632 × 6000 resulting in 15792000

= 17484376
