In the mid-term language test of a certain class, there are 39 students with a score of 80 or more, 8 students with a score of 79-60, and 3 students with a score of less than 60. What is the passing rate of the class?
某班在期中语文检测中，80分以上有39人，79～60有8人，60分以下有3人，则该班及格率为多少．
<gadget id="calculator">39 + 8</gadget>
<output>47</output>

<gadget id="calculator">39 + 8 + 3</gadget>
<output>50</output>

<gadget id="calculator">47 / 50</gadget>
<output>47/50 = around 0.94</output>

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

<gadget id="calculator">(47/50) * 1</gadget>
<output>47/50 = around 0.94</output>

<result>47/50 = around 0.94</result>