A worker makes 140 parts, and 7 are unqualified. What is the pass rate?
一个工人做了140个零件，不合格的有7个，合格率是多少
<gadget id="calculator">140 - 7</gadget>
<output>133</output>

<gadget id="calculator">133 / 140</gadget>
<output>19/20 = around 0.95</output>

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

<gadget id="calculator">(19/20) * 1</gadget>
<output>19/20 = around 0.95</output>

<result>19/20 = around 0.95</result>