In the bottled water quality sampling inspection, 45 products are qualified and 3 are unqualified. What is the pass rate of this test?
在桶装水质量抽测检查中，有45家产品质量合格，有3家不合格，这次检测的合格率是多少．
<gadget id="calculator">45 + 3</gadget>
<output>48</output>

<gadget id="calculator">45 / 48</gadget>
<output>15/16 = around 0.9375</output>

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

<gadget id="calculator">(15/16) * 1</gadget>
<output>15/16 = around 0.9375</output>

<result>15/16 = around 0.9375</result>