Since 1 US Dollar is equal to 205.7806 Argentine Pesos, we could say that n United States Dollars are equal to 205.7806 times n Argentine Pesos. In other words, we could use the following formula:
Argentine Pesos = United States Dollars x 205.7806
For example, let's say that we want to convert 2.0 United States Dollars to Argentine Pesos. Then, we just replace United States Dollars in the abovementioned formula with 2.0:
Argentine Pesos = 2.0 x 205.7806
That is, 2.0 United States Dollars are equal to 411.5612 Argentine Pesos.