Alright, let's work through 1649 times 8398 step by step
1649 × 8398 = 8398 × (1649)
+ 8398 × 9 yielding 75582
+ 8398 × 40 that equals 335920
+ 8398 × 600 giving us 5038800
+ 8398 × 1000 producing 8398000

= 13848302
