Uncle Wang processed 300 machine parts. After inspection, 6 of them were unqualified. What is the pass rate?
王叔叔加工的300个机器零件，经过检查，有6个不合格，合格率是多少．
<gadget id="calculator">300 - 6</gadget>
<output>294</output>

<gadget id="calculator">294 / 300</gadget>
<output>49/50 = around 0.98</output>

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

<gadget id="calculator">(49/50) * 1</gadget>
<output>49/50 = around 0.98</output>

<result>49/50 = around 0.98</result>