No problem, we've got 6425 and 3608 to multiply
6425 × 3608 = 3608 × (6425)
+ 3608 × 5 that equals 18040
+ 3608 × 20 yielding 72160
+ 3608 × 400 giving us 1443200
+ 3608 × 6000 giving us 21648000

= 23181400
