Read from Mvm’s blog about a totally new way to count the number of coins:

Put the 0.50 RMB coins onto the electronic scale, and weigh them. Enther the price as 132 RMB/kg and it will display the price of the coins.

For 1 RMB coins, the price is 165 RMB/kg.

This is pretty interesting. That means coins also have a price – it is much more expensive than banana, orange, or walter melon.