Suguang Elementary School held a school art festival on the day of Children's Day, with a total of 1,200 people participating. Among them, the winners of the fifth grade accounted for 20% of the total number of participants, and the winners of the sixth grade accounted for (1/4) of the total number of participants. Please put forward a two-step or three-step calculation problem and parallel calculation according to the conditions.
苏光小学"六一"儿童节那天举行校艺术节比赛，共有1200人参加．其中，五年级获奖人占参赛总人数的20%，六年级获奖人占参赛总人数的(1/4)．请你根据条件提出一个两步或三步计算的问题并列式计算．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1_200 * (1/5)</gadget>
<output>240</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1_200 * (1/4)</gadget>
<output>300</output>

<gadget id="calculator">240 + 300</gadget>
<output>540</output>

<result>540</result>