There are 50 students in the May 1st class, and 10 students are excellent in the long jump. What is the excellent rate?
五一班有50人，跳远成绩优秀的有10人，求优秀率是多少．
<gadget id="calculator">10 / 50</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">(1/5) * 1</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>