According to statistics from the school meteorological team, there are 22 sunny days in June, 2 cloudy days, and the rest are rainy days. What fraction of the total number of days is rainy?
学校气象小组统计六月份有睛天22天，阴天2天，其余是雨天．雨天是全月天数的几分之几？
<gadget id="calculator">30 - 22 - 2</gadget>
<output>6</output>

<gadget id="calculator">6 / 30</gadget>
<output>1/5 = around 0.2</output>

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