X represents the same natural number that is not 0, so in the formulas of X/(3/5), X*(3/5), (3/5)/X, what is the largest number.
X代表一个不是0的相同的自然数，那么在X/(3/5)、X*(3/5)、(3/5)/X这些算式中，得数最大的是多少．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>