There are 200 students in the fifth and sixth grades, and 160 students have reached the national physical exercise standards. What is the rate of physical education in the fifth and sixth grades?
五、六年级有学生200人，已达到国家体育锻炼标准的有160人，五、六年级体育达标率是多少？
<gadget id="calculator">160 / 200</gadget>
<output>4/5 = around 0.8</output>

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

<gadget id="calculator">(4/5) * 1</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>