Alright, let's work through 3685 times 4789 step by step
3685 × 4789 = 4789 × (3685)
+ 4789 × 5 which equals 23945
+ 4789 × 80 giving us 383120
+ 4789 × 600 what gives us 2873400
+ 4789 × 3000 resulting in 14367000

= 17647465
