Alright, let's work through 1275 times 3993 step by step
1275 × 3993 = 3993 × (1275)
+ 3993 × 5 yielding 19965
+ 3993 × 70 producing 279510
+ 3993 × 200 which equals 798600
+ 3993 × 1000 giving us 3993000

= 5091075
