Alright, let's work through 4851 times 3131 step by step
4851 × 3131 = 3131 × (4851)
+ 3131 × 1 what gives us 3131
+ 3131 × 50 producing 156550
+ 3131 × 800 that results in 2504800
+ 3131 × 4000 what gives us 12524000

= 15188481
