We're going to solve 7661 multiplied by 1687
7661 × 1687 = 1687 × (7661)
+ 1687 × 1 that is equal 1687
+ 1687 × 60 what gives us 101220
+ 1687 × 600 yielding 1012200
+ 1687 × 7000 yielding 11809000

= 12924107
