Alright, let's work through 1821 times 4993 step by step
1821 × 4993 = 4993 × (1821)
+ 4993 × 1 yielding 4993
+ 4993 × 20 producing 99860
+ 4993 × 800 which equals 3994400
+ 4993 × 1000 what gives us 4993000

= 9092253
