If trees are planted at the largest and equal distance on each side of a rectangular flower bed that is 12 meters long and 8 meters wide, how many trees can be planted in total?
在长12米，宽8米的长方形花坛的各边上以最大且相等的距离栽树，一共可以栽多少棵树？
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">12 / 4</gadget>
<output>3</output>

<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">8 / 4</gadget>
<output>2</output>

<gadget id="calculator">6 + 4</gadget>
<output>10</output>

<result>10</result>