After the price of a washing machine has been reduced by 10% twice in a row, the price of each washing machine is 1660.5 yuan. What is the original price of each washing machine?
一种洗衣机连续两次降价10%后，每台售价1660.5元，这种洗衣机每台原价是多少元．
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1_660.5 / (9/10) / (9/10)</gadget>
<output>2_050</output>

<result>2_050</result>