No problem, we've got 2009 and 2542 to multiply
2009 × 2542 = 2542 × (2009)
+ 2542 × 9 what gives us 22878
+ 2542 × 00 resulting in 0
+ 2542 × 000 what gives us 0
+ 2542 × 2000 yielding 5084000

= 5106878
