Alright, let's work through 1992 times 501 step by step
1992 × 501 = 501 × (1992)
+ 501 × 2 yielding 1002
+ 501 × 90 that results in 45090
+ 501 × 900 that is equal 450900
+ 501 × 1000 producing 501000

= 997992
