A glass of milk, Xiaohong drank (5/8), how much is left in the glass?
一杯牛奶，小红喝了(5/8)，杯中还有几分之几？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>