A batch of products has 189 qualified products and 11 defective products. What is the qualified rate of this batch of products?
一批产品合格的有189件，次品有11件，这批产品的合格率是多少．
<gadget id="calculator">189 + 11</gadget>
<output>200</output>

<gadget id="calculator">189 / 200</gadget>
<output>189/200 = around 0.945</output>

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

<gadget id="calculator">(189/200) * 1</gadget>
<output>189/200 = around 0.945</output>

<result>189/200 = around 0.945</result>