We're going to solve 1643 multiplied by 1685
1643 × 1685 = 1685 × (1643)
+ 1685 × 3 resulting in 5055
+ 1685 × 40 resulting in 67400
+ 1685 × 600 resulting in 1011000
+ 1685 × 1000 which equals 1685000

= 2768455
