Sampling inspection of a batch of goods, 100 pieces are qualified, 25 pieces are unqualified, what is the sampling pass rate of this batch of products.
抽样检查一批商品，有100件合格，25件不合格，这批产品的抽样合格率为多少．
<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>