During the sampling inspection of cotton products for export, a total of 200 pieces were randomly checked, and 3 pieces were unqualified. What is the pass rate of this batch of cotton products?
在出口棉花制品抽检过程中，共抽查了200件，有3件不合格，这批棉花制品的合格率是多少．
<gadget id="calculator">200 - 3</gadget>
<output>197</output>

<gadget id="calculator">197 / 200</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>