There are 30 people in class 6 and 2 who participated in the sports standard test, and 3 people did not meet the standard. What is the rate of the standard.
六2班有30人参加体育达标测试，没达标的有3人，达标率是多少．
<gadget id="calculator">30 - 3</gadget>
<output>27</output>

<gadget id="calculator">27 / 30</gadget>
<output>9/10 = around 0.9</output>

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

<gadget id="calculator">(9/10) * 1</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>