There are 160 students in the sixth grade of the experimental primary school. In a math unit test, a total of 16 students failed. According to the information provided, what is the passing rate of this unit test?
实验小学六年级共有160名同学，在一次数学单元测试中，共有16个同学不及格，根据提供的信息，求这次单元测试的及格率是多少？
<gadget id="calculator">160 - 16</gadget>
<output>144</output>

<gadget id="calculator">144 / 160</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>