6000 products are produced, 300 of which are sampled and inspected, and 3 are defective. What is the pass rate of this batch of products?
生产6000件产品，对其中的300件进行抽样检查，有3件是次品，这批产品的合格率是多少．
<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>