We're going to solve 1846 multiplied by 3143
1846 × 3143 = 3143 × (1846)
+ 3143 × 6 which equals 18858
+ 3143 × 40 producing 125720
+ 3143 × 800 that is equal 2514400
+ 3143 × 1000 what gives us 3143000

= 5801978
