Alright, let's work through 3685 times 5223 step by step
3685 × 5223 = 5223 × (3685)
+ 5223 × 5 that results in 26115
+ 5223 × 80 resulting in 417840
+ 5223 × 600 producing 3133800
+ 5223 × 3000 what gives us 15669000

= 19246755
