No problem, we've got 8007 and 3915 to multiply
8007 × 3915 = 3915 × (8007)
+ 3915 × 7 that is equal 27405
+ 3915 × 00 producing 0
+ 3915 × 000 what gives us 0
+ 3915 × 8000 which equals 31320000

= 31347405
