"June 1st" is here, and 36 people from Class 1 will go to the park. Tickets are 15 yuan per person. Group tickets with more than 20 people can enjoy a 30% discount. What do you think is the most cost-effective way to buy tickets? How much is it?
"六一"到了，六1班36人到公园游玩，门票每人15元，20人以上的团体票可以享受七折优惠，你认为怎样购票最划算，是多少元？
<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">15 * (7/10) * 36</gadget>
<output>378</output>

<result>378</result>