Among the fractions (2/3), (3/7), (3/8), (4/9), which one is closest to (1/3).
在分数(2/3)、(3/7)、(3/8)、(4/9)中，最接近(1/3)的是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

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

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>