No problem, we've got 6720 and 2772 to multiply
6720 × 2772 = 2772 × (6720)
+ 2772 × 0 producing 0
+ 2772 × 20 that is equal 55440
+ 2772 × 700 that equals 1940400
+ 2772 × 6000 what gives us 16632000

= 18627840
