Alright, let's work through 3904 times 1698 step by step
3904 × 1698 = 1698 × (3904)
+ 1698 × 4 that equals 6792
+ 1698 × 00 resulting in 0
+ 1698 × 900 producing 1528200
+ 1698 × 3000 giving us 5094000

= 6628992
