Alright, let's work through 3460 times 4775 step by step
3460 × 4775 = 4775 × (3460)
+ 4775 × 0 that is equal 0
+ 4775 × 60 yielding 286500
+ 4775 × 400 that results in 1910000
+ 4775 × 3000 that is equal 14325000

= 16521500
