A bottle of orange juice contains (5/4) liters. Xiao Ming ate (1/2) of it at noon, and (1/3) of it at night. How much of the bottle of orange juice is left uneaten?
一瓶橙汁共(5/4)升．小明中午吃了它的(1/2)，晚上又吃了它的(1/3)，还剩这瓶橙汁的几分之几没有吃？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/2) + (1/3)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>