Since 1 Hong Kong Dollar is equal to 19.1815830525 Jamaican Dollars, we could say that n Hong Kong Dollars are equal to 19.1815830525 times n Jamaican Dollars. In other words, we could use the following formula:
Jamaican Dollars = Hong Kong Dollars x 19.1815830525
For example, let's say that we want to convert 2 Hong Kong Dollars to Jamaican Dollars. Then, we just replace Hong Kong Dollars in the abovementioned formula with 2:
Jamaican Dollars = 2 x 19.1815830525
That is, 2 Hong Kong Dollars are equal to 38.363166105 Jamaican Dollars.