There are 128 students in the fifth grade, and the fourth grade is more than the fifth grade (1/4), which happens to account for the total number of students in the school (4/25). How many students are there in the whole school?
五年级有学生128人，四年级比五年级多了(1/4)，又正好是占全校学生总数的(4/25)，全校有学生多少人？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">4 / 25</gadget>
<output>4/25 = around 0.16</output>

<gadget id="calculator">(5/4) / (4/25)</gadget>
<output>125/16 = around 7.8125</output>

<gadget id="calculator">128 * (125/16)</gadget>
<output>1_000</output>

<result>1_000</result>