Since 1 US Dollar is equal to 135.73988462 Japanese Yens, we could say that n United States Dollars are equal to 135.73988462 times n Japanese Yens. In other words, we could use the following formula:
Japanese Yens = United States Dollars x 135.73988462
For example, let's say that we want to convert 2 United States Dollars to Japanese Yens. Then, we just replace United States Dollars in the abovementioned formula with 2:
Japanese Yens = 2 x 135.73988462
That is, 2 United States Dollars are equal to 271.47976924 Japanese Yens.