Alright, let's work through 3660 times 3694 step by step
3660 × 3694 = 3694 × (3660)
+ 3694 × 0 that is equal 0
+ 3694 × 60 giving us 221640
+ 3694 × 600 what gives us 2216400
+ 3694 × 3000 that is equal 11082000

= 13520040
