rectangular flowerbed is 32 meters long and 20 meters wide. Put a potted flower every 4 meters around it, how many potted flowers should be placed in total?
一个长方形花圃，长32米，宽20米．在它的四周每隔4米放一盆花，一共要放多少盆花？
<gadget id="calculator">32 + 20</gadget>
<output>52</output>

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

<gadget id="calculator">52 * (1/2)</gadget>
<output>26</output>

<result>26</result>