If b is a natural number greater than 0, then the largest number in the following formulas is b/how much
如b是一个大于0的自然数，那么下面各式中得数最大的是b/多少
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

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