We're going to solve 3831 multiplied by 1821
3831 × 1821 = 1821 × (3831)
+ 1821 × 1 which equals 1821
+ 1821 × 30 that equals 54630
+ 1821 × 800 that equals 1456800
+ 1821 × 3000 which equals 5463000

= 6976251
