Alright, let's work through 3921 times 2612 step by step
3921 × 2612 = 2612 × (3921)
+ 2612 × 1 yielding 2612
+ 2612 × 20 what gives us 52240
+ 2612 × 900 that is equal 2350800
+ 2612 × 3000 giving us 7836000

= 10241652
