In the random inspection of bottled water quality, 42 products were qualified and 6 were unqualified. What is the passing rate of this random inspection of bottled water quality?
在桶装水质量抽测检查中，有42家产品质量合格，有6家不合格，这次桶装水质量抽测检查的合格率是多少．
<gadget id="calculator">42 + 6</gadget>
<output>48</output>

<gadget id="calculator">42 / 48</gadget>
<output>7/8 = around 0.875</output>

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

<gadget id="calculator">(7/8) * 1</gadget>
<output>7/8 = around 0.875</output>

<result>7/8 = around 0.875</result>