No problem, we've got 5655 and 4725 to multiply
5655 × 4725 = 4725 × (5655)
+ 4725 × 5 what gives us 23625
+ 4725 × 50 that is equal 236250
+ 4725 × 600 which equals 2835000
+ 4725 × 5000 that is equal 23625000

= 26719875
