We're going to solve 1393 multiplied by 3121
1393 × 3121 = 3121 × (1393)
+ 3121 × 3 giving us 9363
+ 3121 × 90 giving us 280890
+ 3121 × 300 what gives us 936300
+ 3121 × 1000 giving us 3121000

= 4347553
