No problem, we've got 3954 and 6921 to multiply
3954 × 6921 = 6921 × (3954)
+ 6921 × 4 yielding 27684
+ 6921 × 50 that is equal 346050
+ 6921 × 900 what gives us 6228900
+ 6921 × 3000 giving us 20763000

= 27365634
