No problem, we've got 7424 and 3990 to multiply
7424 × 3990 = 3990 × (7424)
+ 3990 × 4 producing 15960
+ 3990 × 20 that equals 79800
+ 3990 × 400 that equals 1596000
+ 3990 × 7000 that is equal 27930000

= 29621760
