The students made paper flowers of two colors, green and yellow, and the number of paper flowers of the two colors was the same. The 4 groups made a total of 224 flowers. How many green paper flowers does each group make on average?
同学们做了绿、黄两种颜色的纸花，而且两种颜色纸花的朵数同样多．4个小组一共做了224朵．平均每个小组做绿色纸花多少朵？
<gadget id="calculator">224 / 2 / 4</gadget>
<output>28</output>

<result>28</result>