A rectangular flowerbed is 16 meters long and 12 meters wide. Place a potted flower every 4 meters around it and place a potted flower on each of the four corners. How many potted flowers do you want to put in total?
一个长方形花圃长16米，宽12米，在它的四周每隔4米放一盆花且四个角上各放1盆花．一共要放多少盆花．
<gadget id="calculator">16 + 12</gadget>
<output>28</output>

<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">28 * (1/2)</gadget>
<output>14</output>

<result>14</result>