Alright, let's work through 5284 times 3942 step by step
5284 × 3942 = 3942 × (5284)
+ 3942 × 4 giving us 15768
+ 3942 × 80 what gives us 315360
+ 3942 × 200 that results in 788400
+ 3942 × 5000 which equals 19710000

= 20829528
