Subnetting and Supernetting

Just want to ask if I get it right : Subneting and Supernetting
Thanks

Given:
Number of subnets in need: 1000
Number of usable hosts in need: 60
Network address: 166.102.0.0

Answer:
Address Class B
Default subnet mask 255.255.0.0
Custom subnet mask 255.255.255.14
Total number of subnets 14
Total number of host addresses 60
Number of usable addresses 14
Number of bits borrowed 11