We're going to solve 1622 multiplied by 1963
1622 × 1963 = 1963 × (1622)
+ 1963 × 2 that results in 3926
+ 1963 × 20 producing 39260
+ 1963 × 600 what gives us 1177800
+ 1963 × 1000 that equals 1963000

= 3183986
