Alright, let's work through 1637 times 9930 step by step
1637 × 9930 = 9930 × (1637)
+ 9930 × 7 yielding 69510
+ 9930 × 30 producing 297900
+ 9930 × 600 giving us 5958000
+ 9930 × 1000 yielding 9930000

= 16255410
