Alright, let's work through 9646 times 2150 step by step
9646 × 2150 = 2150 × (9646)
+ 2150 × 6 what gives us 12900
+ 2150 × 40 giving us 86000
+ 2150 × 600 giving us 1290000
+ 2150 × 9000 producing 19350000

= 20738900
