We're going to solve 1378 multiplied by 3628
1378 × 3628 = 3628 × (1378)
+ 3628 × 8 which equals 29024
+ 3628 × 70 resulting in 253960
+ 3628 × 300 what gives us 1088400
+ 3628 × 1000 what gives us 3628000

= 4999384
