Meihua Primary School held a youth representative meeting, 40 people attended, and 10 people were absent. What is the attendance rate?
美华小学召开少代会，出席40人，缺席10人．出席率是百分之几？
<gadget id="calculator">40 + 10</gadget>
<output>50</output>

<gadget id="calculator">40 / 50</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>