Alright, let's work through 3640 times 4673 step by step
3640 × 4673 = 4673 × (3640)
+ 4673 × 0 resulting in 0
+ 4673 × 40 what gives us 186920
+ 4673 × 600 what gives us 2803800
+ 4673 × 3000 yielding 14019000

= 17009720
