How much zakat is due on an amount of 2462.25 Saudi Riyals that has been held for a full year (hawl)?

Zakat becomes obligatory on wealth if it reaches the nisab (minimum threshold) and a full lunar year (hawl) has passed over it. The nisab for gold is 85 grams, and for silver, it is 595 grams. Local currencies are valued based on their equivalent in gold or silver to determine the nisab. If the currency reaches the nisab according to either of them, then Zakat becomes obligatory; otherwise, it does not. Given that the current price of one gram of silver is 2.5 Saudi Riyals, the nisab for the Saudi Riyal is 1487.5 Riyals. Based on this, the mentioned amount has exceeded it, and the obligatory Zakat on it is 61.56 Riyals.