Inspecting a batch of new products, 297 were qualified and 3 were rejected. What is the pass rate of this batch of new products?
检验一批新产品，有297个合格，3个废品．这批新产品的合格率是多少．
<gadget id="calculator">297 + 3</gadget>
<output>300</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>