Alright, let's work through 6643 times 8802 step by step
6643 × 8802 = 8802 × (6643)
+ 8802 × 3 resulting in 26406
+ 8802 × 40 producing 352080
+ 8802 × 600 resulting in 5281200
+ 8802 × 6000 what gives us 52812000

= 58471686
