No problem, we've got 2421 and 6693 to multiply
2421 × 6693 = 6693 × (2421)
+ 6693 × 1 that is equal 6693
+ 6693 × 20 which equals 133860
+ 6693 × 400 yielding 2677200
+ 6693 × 2000 which equals 13386000

= 16203753
