Alright, let's work through 3996 times 546 step by step
3996 × 546 = 546 × (3996)
+ 546 × 6 that is equal 3276
+ 546 × 90 that is equal 49140
+ 546 × 900 yielding 491400
+ 546 × 3000 which equals 1638000

= 2181816
