Guns for five new ships for the Admiralty of Zeeland

I have this page that totals up the guns required to arm five new ships for the Admiralty of Zeeland (being built in early 1653):

Bronze guns:
20 bronze German half cartouwen shooting 24 lbs shot
 4 bronze French half cartouwen shooting 18 lbs shot
26 bronze short half serpants shooting   12 lbs shot
 6 bronze half serpants shooting          6 lbs shot
24 bronze drakes shooting                 6 lbs shot

Iron guns:
42 iron half cartouwen shooting          18 lbs shot
72 iron sakers shooting                  12 lbs shot
 6 iron half sakers shooting              6 lbs shot

90 bronze guns and 120 iron guns