Alright, let's work through 3964 times 3480 step by step
3964 × 3480 = 3480 × (3964)
+ 3480 × 4 that results in 13920
+ 3480 × 60 producing 208800
+ 3480 × 900 that results in 3132000
+ 3480 × 3000 that is equal 10440000

= 13794720
