The original price of a shirt is 140 yuan, and now it is sold at a 10% discount. How much is the current price of this shirt?
一件衬衫原价140元，现在打九折出售，这件衬衫现价多少元？
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">140 * (9/10)</gadget>
<output>126</output>

<result>126</result>