We're going to solve 1640 multiplied by 6817
1640 × 6817 = 6817 × (1640)
+ 6817 × 0 that is equal 0
+ 6817 × 40 which equals 272680
+ 6817 × 600 that is equal 4090200
+ 6817 × 1000 yielding 6817000

= 11179880
