A parallelogram is 80 meters underground and 30 meters high. There are 1200 fruit trees planted in the ground. How many square meters does each tree occupy on average?
一块平行四边形地底80米，高30米，地里种了1200棵果树，平均每棵树占地多少平方米．
<gadget id="calculator">30 / 1_200</gadget>
<output>1/40 = around 0.025</output>

<gadget id="calculator">80 * (1/40)</gadget>
<output>2</output>

<result>2</result>