No problem, we've got 4525 and 5007 to multiply
4525 × 5007 = 5007 × (4525)
+ 5007 × 5 what gives us 25035
+ 5007 × 20 what gives us 100140
+ 5007 × 500 resulting in 2503500
+ 5007 × 4000 yielding 20028000

= 22656675
