A square orchard has a perimeter of 40 meters. If each fruit tree covers an area of 5 square meters, how many fruit trees can be planted in this orchard?
一个正方形果园周长为40米．如果每棵果树占地5平方米，这个果园一共可以种多少棵果树？
<gadget id="calculator">40 / 4</gadget>
<output>10</output>

<gadget id="calculator">10 / 5</gadget>
<output>2</output>

<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<result>20</result>