After the mid-term exam, the school will reward students with excellent academic performance and plan to buy pencil cases of different grades. Among them, 5 are high-end, mid-range accounts for 75% of the total, and low-end accounts for 1/6 of the total. Do you know how many stationery boxes the school needs to buy in total?
期中考试后，学校要奖励学习成绩优秀的学生，计划买不同档次的文具盒．其中高档的5个，中档的占总数的75%，低档的占总数的(1/6)．你知道学校一共要买多少个文具盒吗？
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

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

<gadget id="calculator">1 - (3/4) - (1/6)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">5 / (1/12)</gadget>
<output>60</output>

<result>60</result>