Since 1 Sri Lankan Rupee is equal to 0.382262339802 Russian Rubles, we could say that n Sri Lankan Rupees are equal to 0.382262339802 times n Russian Rubles. In other words, we could use the following formula:
Russian Rubles = Sri Lankan Rupees x 0.382262339802
For example, let's say that we want to convert 2 Sri Lankan Rupees to Russian Rubles. Then, we just replace Sri Lankan Rupees in the abovementioned formula with 2:
Russian Rubles = 2 x 0.382262339802
That is, 2 Sri Lankan Rupees are equal to 0.764524679604 Russian Rubles.