Master Wang produced a batch of parts, 76 of which were qualified and 4 were unqualified. Ask Master Wang for the pass rate of this batch of parts.
王师傅生产了一批零件，合格的产品有76个，不合格的有4个．求王师傅生产这批零件的合格率．
<gadget id="calculator">76 + 4</gadget>
<output>80</output>

<gadget id="calculator">76 / 80</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>