No problem, we've got 6679 and 3990 to multiply
6679 × 3990 = 3990 × (6679)
+ 3990 × 9 that results in 35910
+ 3990 × 70 what gives us 279300
+ 3990 × 600 that is equal 2394000
+ 3990 × 6000 resulting in 23940000

= 26649210
