Xiao Li inspected a batch of parts, and the result was 57 qualified and 2 unqualified. The following conclusion is correct: the qualified parts are the total number of parts
小李检验一批零件，结果是57个合格，2个不合格，下列结论正确的是合格零件是零件总数的多少
<gadget id="calculator">57 / 59</gadget>
<output>57/59 = around 0.966102</output>

<result>57/59 = around 0.966102</result>