No problem, we've got 3627 and 1688 to multiply
3627 × 1688 = 1688 × (3627)
+ 1688 × 7 what gives us 11816
+ 1688 × 20 giving us 33760
+ 1688 × 600 that is equal 1012800
+ 1688 × 3000 yielding 5064000

= 6122376
