There are 240 people in a mathematics test, and 192 people get excellent. What is the excellent rate of this test?
一次数学考试中有240人参加，得到优秀的有192人，这次考试优秀率为多少．
<gadget id="calculator">192 / 240</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>