Sampling inspection of the products of a certain factory, the result is: 100 pieces are qualified, 25 pieces are unqualified, what is the pass rate of this product
抽样检查某工厂的产品，结果是：100件合格，25件不合格，该产品的合格率是多少
<gadget id="calculator">100 + 25</gadget>
<output>125</output>

<gadget id="calculator">100 / 125</gadget>
<output>4/5 = around 0.8</output>

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

<gadget id="calculator">(4/5) * 1</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>