No problem, we've got 2009 and 6369 to multiply
2009 × 6369 = 6369 × (2009)
+ 6369 × 9 which equals 57321
+ 6369 × 00 what gives us 0
+ 6369 × 000 that equals 0
+ 6369 × 2000 producing 12738000

= 12795321
