One class of fifth grade passes June 1st. Every two students get a plate of fruit, every three students get a plate of melon seeds, and every four students get a plate of watermelon. There are 65 plates in total. Please calculate how many students there are in this class ?
五年级一班过六一，每两个学生一盘水果，每三个学生一盘瓜子，每四个学生一盘西瓜，一共用了65个盘子，请你算一算这个班一共有多少学生？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/2) + (1/3) + (1/4)</gadget>
<output>13/12 = around 1.083333</output>

<gadget id="calculator">65 / (13/12)</gadget>
<output>60</output>

<result>60</result>