Alright, let's work through 7821 times 5922 step by step
7821 × 5922 = 5922 × (7821)
+ 5922 × 1 which equals 5922
+ 5922 × 20 that equals 118440
+ 5922 × 800 yielding 4737600
+ 5922 × 7000 giving us 41454000

= 46315962
