Since 1 Hong Kong Dollar is equal to 3.79941781922 New Taiwan Dollars, we could say that n Hong Kong Dollars are equal to 3.79941781922 times n New Taiwan Dollars. In other words, we could use the following formula:
New Taiwan Dollars = Hong Kong Dollars x 3.79941781922
For example, let's say that we want to convert 2 Hong Kong Dollars to New Taiwan Dollars. Then, we just replace Hong Kong Dollars in the abovementioned formula with 2:
New Taiwan Dollars = 2 x 3.79941781922
That is, 2 Hong Kong Dollars are equal to 7.59883563844 New Taiwan Dollars.