Alright, let's work through 6346 times 2003 step by step
6346 × 2003 = 2003 × (6346)
+ 2003 × 6 that is equal 12018
+ 2003 × 40 that is equal 80120
+ 2003 × 300 resulting in 600900
+ 2003 × 6000 what gives us 12018000

= 12711038
