No problem, we've got 5728 and 3978 to multiply
5728 × 3978 = 3978 × (5728)
+ 3978 × 8 producing 31824
+ 3978 × 20 which equals 79560
+ 3978 × 700 that equals 2784600
+ 3978 × 5000 producing 19890000

= 22785984
