Fix to default dimensions conversion script

prs.classes/EnclosedEntities/Dimensions/DimensionUnit.cs

@@ -76,7 +76,7 @@ namespace Comal.Classes
                 "        // \n"+
                 "        // var qty = Dimensions.Quantity;\n"+
                 "        // Dimensions.Quantity = 1;\n"+
-                "        // Quantity = qty;\n"+
+                "        // Quantity *= qty;\n"+
                 "    }\n"+
                 "}\n";
         }