There is a flower bed square array in front of the teaching building of the school. Eight potted flowers are placed on each side of the outermost layer of the flower bed, and how many potted flowers are placed on the outermost layer.
学校教学楼前摆放了一个花坛方阵，这个花坛的最外层每边各摆放8盆花，最外层共摆了多少盆花．
<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">32 - 4</gadget>
<output>28</output>

<result>28</result>