The quality of 50 cartons of milk was randomly checked, and the result was that 1 carton was unqualified. What is the passing rate of these random milks.
抽查50箱牛奶的质量情况，结果有1箱不合格．这些被抽查牛奶的合格率是多少．
<gadget id="calculator">50 - 1</gadget>
<output>49</output>

<gadget id="calculator">49 / 50</gadget>
<output>49/50 = around 0.98</output>

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

<gadget id="calculator">(49/50) * 1</gadget>
<output>49/50 = around 0.98</output>

<result>49/50 = around 0.98</result>