Alright, let's work through 1656 times 9859 step by step
1656 × 9859 = 9859 × (1656)
+ 9859 × 6 yielding 59154
+ 9859 × 50 producing 492950
+ 9859 × 600 that equals 5915400
+ 9859 × 1000 yielding 9859000

= 16326504
