Alright, let's work through 4121 times 9646 step by step
4121 × 9646 = 9646 × (4121)
+ 9646 × 1 which equals 9646
+ 9646 × 20 which equals 192920
+ 9646 × 100 resulting in 964600
+ 9646 × 4000 producing 38584000

= 39751166
