The students line up to play the game. The students on the left of Xiaohua account for (3/5) of the total number of students, and the students on the right account for (1/3) of the total number of students. Counting from right to left, what is Xiaohua's ranking ．
同学们排成一队做游戏，小华左边的同学占总人数的(3/5)，右边的同学占总人数的(1/3)，从右往左数，小华排在第多少个．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (3/5) - (1/3)</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">1 / (1/15)</gadget>
<output>15</output>

<gadget id="calculator">15 * (1/3)</gadget>
<output>5</output>

<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<result>6</result>