There is a batch of parts, after inspection, 100 are qualified and 1 is defective. How much is the defective rate
有一批零件，经检验后，100个合格，1个次品．次品率占多少
<gadget id="calculator">100 + 1</gadget>
<output>101</output>

<gadget id="calculator">1 / 101</gadget>
<output>1/101 = around 0.009901</output>

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

<gadget id="calculator">(1/101) * 1</gadget>
<output>1/101 = around 0.009901</output>

<result>1/101 = around 0.009901</result>