The Bureau of Industry and Commerce randomly checked the quality of a batch of milk, and the result was that 49 boxes were qualified and 1 box was unqualified. What is the passing rate of this batch of milk.
工商局抽查了一批牛奶的质量情况，结果49箱合格，有1箱不合格．这批牛奶的合格率是多少．
<gadget id="calculator">49 + 1</gadget>
<output>50</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>