The original price of a coat is 180 yuan, and now the price is reduced by 10%. What is the current price of this coat?
一件大衣原价180元，现在降价10%，这件大衣的现价是多少．
<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">180 * (9/10)</gadget>
<output>162</output>

<result>162</result>