There are 259 students in the sixth grade of Pingjin Second Primary School, which is 9 more than the whole school (1/6). How many students are there in the whole school? (using equations)
屏锦二小六年级有学生259人，比全校的(1/6)多9人，全校有学生多少人？(用方程列式)
<gadget id="calculator">259 - 9</gadget>
<output>250</output>

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

<gadget id="calculator">250 / (1/6)</gadget>
<output>1_500</output>

<result>1_500</result>