The sports standard rate of class 1 is 85%. It is known that the number of people in this class is 34, how many people are not up to the standard.
六1班的体育达标率是85%，已知该班达标的人数是34人，则未达标的有多少人．
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">34 / (17/20)</gadget>
<output>40</output>

<gadget id="calculator">40 - 34</gadget>
<output>6</output>

<result>6</result>