No problem, we've got 6425 and 3687 to multiply
6425 × 3687 = 3687 × (6425)
+ 3687 × 5 which equals 18435
+ 3687 × 20 giving us 73740
+ 3687 × 400 yielding 1474800
+ 3687 × 6000 yielding 22122000

= 23688975
