There are 480 girls in Fulin Primary School, equivalent to (4/7) of the total number of students in the school. How many students are there in the school?
福林小学有女生480人，相当于全校学生人数的(4/7)．全校有学生多少人？
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">480 / (4/7)</gadget>
<output>840</output>

<result>840</result>