Yes, you are at 9.8 compression assuming stock 72 cc heads and a 12.4 cc fel-pro head gasket (.055" thick by 4.174" dia.).
If they mill your heads or you use a thinner gasket than .055", you will be creeping up over 10.0 compression.
your swept volume is: 759.6 cc
volume above piston: 2.12 cc