Alright, let's work through 3947 times 3600 step by step
3947 × 3600 = 3600 × (3947)
+ 3600 × 7 producing 25200
+ 3600 × 40 yielding 144000
+ 3600 × 900 giving us 3240000
+ 3600 × 3000 what gives us 10800000

= 14209200
