Convert from tical [Asia] to marco [Spanish]

Unit Definition (tical [Asia])
The tical is a traditional unit of weight in southeast Asia, originating as the weight of a coin of the same name. In Myanmar (Burma), where the unit is still in use for measuring the weights of precious metals and drugs, the tical is equivalent to 16.4 grams.

Unit Definition (marco [Spanish])
The marco is a traditional units of weight in various countries of Western Europe. In each country the unit equals 1/2 the unit corresponding to the English pound. Thus the French marc equals 1/2 livre, 8 onces or about 244.75 grams; the Spanish marco equals 1/2 libra or about 230 grams; the German mark equals 1/2 pfund or about 280.5 grams; and the English mark equals 8 ounces or 226.8 grams. The English unit was used almost entirely for measuring precious metals.