We're going to solve 1831 multiplied by 1251
1831 × 1251 = 1251 × (1831)
+ 1251 × 1 that is equal 1251
+ 1251 × 30 producing 37530
+ 1251 × 800 producing 1000800
+ 1251 × 1000 which equals 1251000

= 2290581
