Alright, let's work through 3821 times 3498 step by step
3821 × 3498 = 3498 × (3821)
+ 3498 × 1 that is equal 3498
+ 3498 × 20 that is equal 69960
+ 3498 × 800 that is equal 2798400
+ 3498 × 3000 that results in 10494000

= 13365858
