Among the parts processed by Master Li on a certain day, 394 are qualified and 6 are unqualified. What is the pass rate?
李师傅某天加工的零件中，有394个合格，6个不合格，合格率是多少．
<gadget id="calculator">394 + 6</gadget>
<output>400</output>

<gadget id="calculator">394 / 400</gadget>
<output>197/200 = around 0.985</output>

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

<gadget id="calculator">(197/200) * 1</gadget>
<output>197/200 = around 0.985</output>

<result>197/200 = around 0.985</result>