n is a natural number greater than 0, the largest result of the following formulas is n/how much
n是大于0的自然数，下列各式结果最大的是n/多少
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<result>2/7 = around 0.285714</result>