Master Wang has to process 720 parts, 36 of which are unqualified, what is the pass rate?
王师傅要加工720只零件，其中有36只不合格，求合格率？
<gadget id="calculator">720 - 36</gadget>
<output>684</output>

<gadget id="calculator">684 / 720</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>