Grade 6 students borrow books from the library, 3 students share science and technology books, 4 students share story books, and 5 literature books share each. A total of 94 books are borrowed for the three types of books. How many students are there in the sixth grade?
六年级同学到图书馆借书，科技书3人一本，故事书4人一本，文艺书5人一本，三种书共借94本，问六年级有学生多少人？
<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">(1/3) + (1/4) + (1/5)</gadget>
<output>47/60 = around 0.783333</output>

<gadget id="calculator">94 / (47/60)</gadget>
<output>120</output>

<result>120</result>