There are 50 people in the class, and 49 people pass the test. What is the passing rate?
全班有50人，一次测试有49人及格，及格率是多少．
<gadget id="calculator">49 / 50</gadget>
<output>49/50 = around 0.98</output>

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

<gadget id="calculator">(49/50) * 1</gadget>
<output>49/50 = around 0.98</output>

<result>49/50 = around 0.98</result>