There are several students in a certain school. There are 6 fewer boys than the whole school (4/7), and 11 more girls than the whole school (5/12). How many students does this school have?
某校有学生若干人，男生比全校的学生的(4/7)少6人，女生比全校学生的(5/12)多11人，这所学校有学生多少人？
<gadget id="calculator">11 - 6</gadget>
<output>5</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">1 - (4/7) - (5/12)</gadget>
<output>1/84 = around 0.011905</output>

<gadget id="calculator">5 / (1/84)</gadget>
<output>420</output>

<result>420</result>