Since 1 Pakistani Rupee is equal to 0.0203920505924 Brazilian Reais, we could say that n Pakistani Rupees are equal to 0.0203920505924 times n Brazilian Reais. In other words, we could use the following formula:
Brazilian Reais = Pakistani Rupees x 0.0203920505924
For example, let's say that we want to convert 2 Pakistani Rupees to Brazilian Reais. Then, we just replace Pakistani Rupees in the abovementioned formula with 2:
Brazilian Reais = 2 x 0.0203920505924
That is, 2 Pakistani Rupees are equal to 0.0407841011848 Brazilian Reais.