In the 50m final, Xiaoli took 11 seconds, Xiaoyu was 1 second faster than her, how many seconds did Xiaoyu take?
在50米决赛时，小丽用了11秒，小玉比她快1秒，小玉用了多少秒．
<gadget id="calculator">11 - 1</gadget>
<output>10</output>

<result>10</result>