Alright, let's work through 2169 times 4578 step by step
2169 × 4578 = 4578 × (2169)
+ 4578 × 9 that is equal 41202
+ 4578 × 60 yielding 274680
+ 4578 × 100 giving us 457800
+ 4578 × 2000 producing 9156000

= 9929682
