Alright, let's work through 6214 times 6291 step by step
6214 × 6291 = 6291 × (6214)
+ 6291 × 4 resulting in 25164
+ 6291 × 10 producing 62910
+ 6291 × 200 which equals 1258200
+ 6291 × 6000 giving us 37746000

= 39092274
