All students in the third grade of "September 1" primary school went out with four kinds of beverages for an outing. After returning, all the students drank 228 boxes of four kinds of beverages. On average, every 3 people drank a box of coconut juice, and every 4 people drank a box of orange juice. Every 5 people drink a box of apple juice, and every 6 people drink a box of pear juice, so how many students are there in the third grade of "September 1" primary school?
"九一"小学三年级全体同学带有四种饮料外出郊游，回来后统计，全体同学共饮四种饮料228盒，平均每3人饮用一盒椰汁，每4人饮用一盒桔汁，每5人饮用一盒苹果汁，每6人饮用一盒梨汁，那么，"九一"小学三年级共有学生多少人．
<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 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/3) + (1/4) + (1/5) + (1/6)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">228 / (19/20)</gadget>
<output>240</output>

<result>240</result>