+2=962

+4=966

-2

964

 coco_2521:

+2

972

This is 962 + 2 hence 964

+4

968                    

above should be 970

968

 Saygo:

+2=962

+4=966

-2

964

+2

966

 Northern raveller:

+2

972

966+4

970

+8

978

 coco_2521:

+8

980

This should be 966 +2 968

968

+2

970

972  (i think there was a miscalculation again but it is fine) 

 05T118:

+4

976

Due to my editing above it should be 970 +4 974

+6

980