A batch of 100 products is randomly inspected, and 2 of them are unqualified. What is the pass rate of this batch of products?
一批产品抽查100件检验，其中2个不合格，这批产品的合格率是多少．
<gadget id="calculator">100 - 2</gadget>
<output>98</output>

<gadget id="calculator">98 / 100</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>