Master Wang processed 300 parts, and 3 failed after inspection. What is the pass rate?
王师傅加工300个零件，经检查有3个不合格，合格率是多少．
<gadget id="calculator">300 - 3</gadget>
<output>297</output>

<gadget id="calculator">297 / 300</gadget>
<output>99/100 = around 0.99</output>

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

<gadget id="calculator">(99/100) * 1</gadget>
<output>99/100 = around 0.99</output>

<result>99/100 = around 0.99</result>