No problem, we've got 5566 and 4245 to multiply
5566 × 4245 = 4245 × (5566)
+ 4245 × 6 what gives us 25470
+ 4245 × 60 what gives us 254700
+ 4245 × 500 what gives us 2122500
+ 4245 × 5000 what gives us 21225000

= 23627670
