A piece of women's clothing is priced at 800 yuan, the price is first reduced by 10%, and then the price is reduced by 10%. How much is the current selling price?
一件女装定价800元，先降价10%销售，再降价10%．现在的售价是多少元？
<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">800 * (9/10) * (9/10)</gadget>
<output>648</output>

<result>648</result>