A parallelogram green space has a base of 80 meters and a height of 20 meters shorter than the base. If 5 flowers are planted per square meter, how many flowers can be planted in this land?
一块平行四边形绿地，底是80米，高比底短20米．如果每平方米种5株花，这块地共可种多少株花？
<gadget id="calculator">80 - 20</gadget>
<output>60</output>

<gadget id="calculator">60 / 5</gadget>
<output>12</output>

<gadget id="calculator">80 * 12</gadget>
<output>960</output>

<result>960</result>