Please show calculations!

The SDR is defined as 1.02 Yuan + 0.39 Euro + 11.9 Yen + 0.086 Pound + 0.58 Dollar. One day in the past, the exchange rates were 6.35 Yuan/$, 0.915 Euro/$, 111 Yen/$, 0.7 Pound/ $. Calculate how many dollars an SDR was worth on that day