Alright, let's work through 3213 times 646 step by step
3213 × 646 = 646 × (3213)
+ 646 × 3 that equals 1938
+ 646 × 10 what gives us 6460
+ 646 × 200 that equals 129200
+ 646 × 3000 producing 1938000

= 2075598
