First of all, the exchange rates of different banks are different. The People's Bank of China announces the benchmark exchange rates of USD, JPY and HKD against RMB on the basis of the weighted average price of USD against RMB in the inter-bank foreign exchange market on the previous trading day, and calculates the exchange rates of RMB against other major currencies with reference to the international foreign exchange market. On this basis, the designated foreign exchange banks will handle foreign exchange business by listing themselves within the specified floating range. Banks have different exchange rate floating ratios according to the needs of their own business development.

Secondly, the foreign exchange market is a 24-hour uninterrupted market, so the exchange rate may change at any time, usually this change is very small.

According to the latest exchange rate provided by Baidu Apps on April 23, 20 15, 800,000 won is about 456 yuan, and 8 billion won is about 45.6 million yuan: