Alright, let's work through 6668 times 2013 step by step
6668 × 2013 = 2013 × (6668)
+ 2013 × 8 that results in 16104
+ 2013 × 60 that results in 120780
+ 2013 × 600 what gives us 1207800
+ 2013 × 6000 that is equal 12078000

= 13422684
