In the third grade of a certain elementary school, in a monthly examination, 25 students passed and 15 failed. What is the passing rate?
某小学三年级在一次月检考试中，有25人及格，15人不及格，及格率是多少．
<gadget id="calculator">25 + 15</gadget>
<output>40</output>

<gadget id="calculator">25 / 40</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(5/8) * 1</gadget>
<output>5/8 = around 0.625</output>

<result>5/8 = around 0.625</result>