The Bureau of Industry and Commerce spot-checked 500 bottles of juice, and 20 of them were unqualified. What is the pass rate of this batch of juice?
工商局抽查500瓶果汁，其中有20瓶不合格，这批果汁的合格率是多少．
<gadget id="calculator">500 - 20</gadget>
<output>480</output>

<gadget id="calculator">480 / 500</gadget>
<output>24/25 = around 0.96</output>

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

<gadget id="calculator">(24/25) * 1</gadget>
<output>24/25 = around 0.96</output>

<result>24/25 = around 0.96</result>