Xiaohong and Xiaoqiang watered all the small trees in the street garden, Xiaohong watered (3/9), how much did Xiaoqiang water?
小红和小强给街心花园里的所有小树浇水，小红浇了(3/9)，小强浇了几分之几？
<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>