Xiaogang poured a glass of milk, drank (1/3) and then filled up with water, then drank (1/2) and filled up with water, and finally drank it all. Which one does Xiaogang drink more milk or water? Why?
小刚倒了一杯牛奶，喝了(1/3)后加满水，再喝(1/2)后又加满水，最后把它全喝下．小刚喝的牛奶和水哪种多？为什么？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

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