Among the four fractions (1/3), (1/2), (1/4), (2/3), what is the largest
在(1/3)，(1/2)，(1/4)，(2/3)四个分数中，最大的是多少
<gadget id="calculator">2 / 1</gadget>
<output>2</output>

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

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>