Plant a willow tree every 8 meters on the side of a square whose four sides are 96 meters long.
在一个四个边长都是96米的正方形边上每隔8米种一棵柳树，交错处都种，一共要种多少棵树．
<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">96 * (1/2)</gadget>
<output>48</output>

<result>48</result>