A parallelogram orchard has a base of 130 meters and a height of 30 meters. A total of 390 fruit trees have been planted, how many square meters does each fruit tree occupy on average?
一个平行四边形果园，底为130米，高为30米．共种390棵果树，平均每棵果树占地多少平方米？
<gadget id="calculator">30 / 390</gadget>
<output>1/13 = around 0.076923</output>

<gadget id="calculator">130 * (1/13)</gadget>
<output>10</output>

<result>10</result>