Alright, let's work through 3855 times 2006 step by step
3855 × 2006 = 2006 × (3855)
+ 2006 × 5 which equals 10030
+ 2006 × 50 giving us 100300
+ 2006 × 800 that is equal 1604800
+ 2006 × 3000 that equals 6018000

= 7733130
