A factory produces 800 parts, 798 are qualified, what is the qualified rate?
某厂生产零件800个，合格798个，合格率多少．
<gadget id="calculator">798 / 800</gadget>
<output>399/400 = around 0.9975</output>

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

<gadget id="calculator">(399/400) * 1</gadget>
<output>399/400 = around 0.9975</output>

<result>399/400 = around 0.9975</result>