In (1/2)+(1/3), (5/7)-(1/3), (1/8)+(1/9), how many calculation results are the largest.
在(1/2)+(1/3)，(5/7)-(1/3)，(1/8)+(1/9)中，多少的计算结果最大．
<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>