The electrical appliance factory produced 800 sets of vcds, and 12 failed to pass the test. What is the pass rate of these vcds?
电器厂生产了800台vcd，经检验有12台不合格，这批vcd的合格率是多少．
<gadget id="calculator">800 - 12</gadget>
<output>788</output>

<gadget id="calculator">788 / 800</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>