Xiaoli poured a glass of milk, drank (1/2) first, then filled it with water, drank (1/3) of this glass of milk, filled it up with water, and finally drank the whole glass of milk. So how much water did Xiaoli drink?
小立倒了一杯牛奶，先喝了(1/2)，接着倒满水，又喝了这杯牛奶的(1/3)，再加满水，最后把这杯牛奶全部喝掉．那么小立喝了多少水．
<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>

<result>5/6 = around 0.833333</result>