During the "Civilization and Self-cultivation" activity in the sixth grade of Hualong School, 56 students were rated as civilized and etiquette stars in April, which is 20% less than May. How many people were rated as etiquette stars in May?
桦珑学校六年级在开展"文明修身"活动中，四月份有56人被评为文明礼仪之星，比五月份少20%，五月份有多少人被评为礼仪之星？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">56 / (4/5)</gadget>
<output>70</output>

<result>70</result>