Alright, let's work through 6290 times 614 step by step
6290 × 614 = 614 × (6290)
+ 614 × 0 that is equal 0
+ 614 × 90 resulting in 55260
+ 614 × 200 giving us 122800
+ 614 × 6000 that equals 3684000

= 3862060
