Yuying Primary School has 800 students, 30 of whom have not participated in accident insurance. What is the insurance rate for the students of this school to participate in accident insurance?
育英小学有学生800人，其中有30人没有参加意外事故保险．该校学生参加意外事故保险的保险率是多少？
<gadget id="calculator">800 - 30</gadget>
<output>770</output>

<gadget id="calculator">770 / 800</gadget>
<output>77/80 = around 0.9625</output>

<result>77/80 = around 0.9625</result>