Last year, 120 people from Dongfeng Primary School participated in the Children’s Day garden tour, which was 20% less than this year’s number. How many people participated in the garden tour this year? (solution by equation)
东风小学去年有120人参加六一游园活动，比今年参加人数少20%，今年参加游园活动的有多少人？(用方程解)
<gadget id="calculator">120 / 0.8</gadget>
<output>150</output>

<gadget id="calculator">0.8 / 0.8</gadget>
<output>1</output>

<gadget id="calculator">150 / 1</gadget>
<output>150</output>

<result>150</result>