There are 300 students in the sixth grade of Central Primary School, and 60 of them are myopic. What is the rate of myopia?
中心小学六年级共有300人，近视的有60人，近视率是多少．
<gadget id="calculator">60 / 300</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">(1/5) * 1</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>