Alright, let's work through 4987 times 3092 step by step
4987 × 3092 = 3092 × (4987)
+ 3092 × 7 yielding 21644
+ 3092 × 80 producing 247360
+ 3092 × 900 what gives us 2782800
+ 3092 × 4000 producing 12368000

= 15419804
