Since 1 Japanese Yen is equal to 1.39976122524 Jamaican Dollars, we could say that n Japanese Yens are equal to 1.39976122524 times n Jamaican Dollars. In other words, we could use the following formula:
Jamaican Dollars = Japanese Yens x 1.39976122524
For example, let's say that we want to convert 2 Japanese Yens to Jamaican Dollars. Then, we just replace Japanese Yens in the abovementioned formula with 2:
Jamaican Dollars = 2 x 1.39976122524
That is, 2 Japanese Yens are equal to 2.79952245048 Jamaican Dollars.