To celebrate Children's Day on June 1st, all the students in Class 61 are divided into male and female groups to make flowers. Among them, there are 20 male students, with an average of 280 flowers per person, and 10 female students, with a total of 3400 flowers. Excuse me How many flowers do you, the whole class, make on average?
为庆祝"六•一"儿童节，六1班全体同学分成男、女两组做花，其中男同学20人，平均每人做花280朵，女同学10人，一共做花3400朵，请问你，全班同学平均每人做花多少朵？
<gadget id="calculator">280 * 20</gadget>
<output>5_600</output>

<gadget id="calculator">5_600 + 3_400</gadget>
<output>9_000</output>

<gadget id="calculator">20 + 10</gadget>
<output>30</output>

<gadget id="calculator">9_000 / 30</gadget>
<output>300</output>

<result>300</result>