Alright, let's work through 1684 times 4399 step by step
1684 × 4399 = 4399 × (1684)
+ 4399 × 4 that equals 17596
+ 4399 × 80 that is equal 351920
+ 4399 × 600 that is equal 2639400
+ 4399 × 1000 which equals 4399000

= 7407916
