Alright, let's work through 6214 times 7858 step by step
6214 × 7858 = 7858 × (6214)
+ 7858 × 4 producing 31432
+ 7858 × 10 that equals 78580
+ 7858 × 200 resulting in 1571600
+ 7858 × 6000 giving us 47148000

= 48829612
