Xiao Ming drank a glass of juice for the first time (2/8) and the second time (3/8). How much did you drink a total of two times? What fraction is left?
一杯果汁，小明第一次喝了(2/8)，第二次喝了(3/8)．两次一共喝了几分之几？还剩下几分之几？
<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>