No problem, we've got 4535 and 1002 to multiply
4535 × 1002 = 1002 × (4535)
+ 1002 × 5 giving us 5010
+ 1002 × 30 giving us 30060
+ 1002 × 500 which equals 501000
+ 1002 × 4000 what gives us 4008000

= 4544070
