i am a noob to cisco packet tracer and i am trying VLSM a subnet

[evanmckay927]

i am a noob to cisco packet tracer and i am trying VLSM a subnet with 41 host, 19 hosts, a 2 wan links. 

here are the ip's address 

192.168.0.0    255.255.255.0

192.168.0.64  255.255.255.128

192.168.0.96  255.255.255.192

192.168.0.100 255.255.255.224

and packet tracer is not taking the subnet mask and i have no idea why. can anyone help?

[evanmckay927]

to help you understand my line of thinking here is the math 

[william324]

thanks for sharing.....