TodayExchangeExchange rate：1=0.1404（1 CNY = 0.1404 USD），So21How much can be exchanged?？We can calculate it using the following formula：
21 * 0.1404 / 1 = 3
According to the exchange rate, it can be calculated21Exchange3，That is21=USD（21 CNY = 3 21）。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.