The price of a refrigerator will be reduced by 10% first and 10% later. How much is the current price?

The price of a refrigerator will be reduced by 10% first and 10% later. How much is the current price?

Suppose that a refrigerator with 100 yuan is 90 yuan if it is reduced by 10% first, and 81 If it is reduced by 10%, which is 81% of the original price