Convert from tical [Asia] to uncia [Rome]

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 (uncia [Rome])
The uncia is the Roman ounce, equal to about 27.2875 grams of 0.9625 ounce avoirdupois. There were 12 ounces in a Roman pound, and the word uncia means a 12th part; its name gives us the ounce, of course, and also the inch.