The base of a triangle is 8cm, the height above this base is 4cm, the area of a parallelogram is equal to this triangle, one base of the parallelogram is 5cm, what is the height above this base in cm?
一个三角形的底为8cm，这条底上的高为4cm，一个平行四边形和这个三角形的面积相等，平行四边形的一条底为5cm，这条底上的高为多少cm．
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<gadget id="calculator">16 / 5</gadget>
<output>16/5 = around 3.2</output>

<result>16/5 = around 3.2</result>