The shape of an orchard is a parallelogram, its base is 160 meters, and its height is 30 meters. If each apple tree covers an area of 10 square meters, each tree can harvest an average of 30 kilograms of apples, and the price of each kilogram of apples is 1.2 yuan. How many apple trees are there in this orchard?
一个果园的形状是平行四边形，它的底是160米，高是30米，若每棵苹果树占地10平方米，每棵树平均收30千克苹果，每千克苹果售价1.2元．这个果园共有多少棵苹果树？
<gadget id="calculator">30 / 10</gadget>
<output>3</output>

<gadget id="calculator">160 * 3</gadget>
<output>480</output>

<result>480</result>