If △ is used to represent a natural number (except 0), then the largest number in the following formulas is △/how much
如果用△代表一个自然数(0除外)，那么下面各式中得数最大的是△/多少
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>