100 people participated in the physical fitness test, and 15 people failed to meet the standard. What is the rate of success in this physical fitness test?
100人参加体育达标测试，有15人未达标，这次体育达标测试的达标率是多少．
<gadget id="calculator">100 - 15</gadget>
<output>85</output>

<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

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

<gadget id="calculator">(17/20) * 1</gadget>
<output>17/20 = around 0.85</output>

<result>17/20 = around 0.85</result>