198 of the 200 parts produced by Mr. Zhao are qualified. What is the qualified rate of this batch of parts?
赵师傅生产的200个零件中有198个是合格的，这批零件的合格率是多少．
<gadget id="calculator">198 / 200</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>