Alright, let's work through 9993 times 6343 step by step
9993 × 6343 = 6343 × (9993)
+ 6343 × 3 which equals 19029
+ 6343 × 90 that results in 570870
+ 6343 × 900 that is equal 5708700
+ 6343 × 9000 that is equal 57087000

= 63385599
