TodayExchangeExchange rate：1=0.1404（1 CNY = 0.1404 USD），So640How much can be exchanged?？We can calculate it using the following formula：
640 * 0.1404 / 1 = 90.523338048091
According to the exchange rate, it can be calculated640Exchange90.523338048091，That is640=USD（640 CNY = 90.523338048091 640）。However, it should be noted that this calculation result is for reference only. For actual exchange, please refer to the actual transaction price of the bank.