There is a parallelogram orchard with a base length of 70 meters and a height of 30 meters. On average, one fruit tree is planted per 20 square meters. How many fruit trees can be planted in this orchard?
有一个平行四边形果园底长70米，高30米，平均每20平方米种一株果树，这个果园能种多少株果树？
<gadget id="calculator">30 / 20</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">70 * (3/2)</gadget>
<output>105</output>

<result>105</result>