The area of a parallelogram vegetable field is 54 square meters, its height is 6 meters, and the length of its base is how many meters.
一块平行四边形菜地的面积是54平方米，它的高是6米，底边长多少米．
<gadget id="calculator">54 / 6</gadget>
<output>9</output>

<result>9</result>