Alright, let's work through 5021 times 7993 step by step
5021 × 7993 = 7993 × (5021)
+ 7993 × 1 what gives us 7993
+ 7993 × 20 that equals 159860
+ 7993 × 000 producing 0
+ 7993 × 5000 resulting in 39965000

= 40132853
