Let's calculate 3831 x 1298
3831 × 1298 = 1298 × (3831)
+ 1298 × 1 that is equal 1298
+ 1298 × 30 that results in 38940
+ 1298 × 800 that results in 1038400
+ 1298 × 3000 that is equal 3894000

= 4972638
