A primary school had a physical exercise compliance rate of 63% in the first semester, and 125 more students in the next semester. At this time, the physical exercise compliance rate of the whole school was 88%. How many students are there in the school now?
某小学上学期体育锻炼达标率为63%，下学期达标率人数又增加了125人，这时全校体育锻炼的达标率是88%，该校现在的学生有多少人？
<gadget id="calculator">88 / 100</gadget>
<output>22/25 = around 0.88</output>

<gadget id="calculator">63 / 100</gadget>
<output>63/100 = around 0.63</output>

<gadget id="calculator">(22/25) - (63/100)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">125 / (1/4)</gadget>
<output>500</output>

<result>500</result>