Alright, let's work through 3466 times 6887 step by step
3466 × 6887 = 6887 × (3466)
+ 6887 × 6 that is equal 41322
+ 6887 × 60 what gives us 413220
+ 6887 × 400 what gives us 2754800
+ 6887 × 3000 yielding 20661000

= 23870342
