The area of a parallelogram is 13.5 square centimeters, the length of the base is 4.5 centimeters, and what is the height in centimeters.
一个平行四边形的面积是13.5平方厘米，底边长是4.5厘米，高是多少厘米．
<gadget id="calculator">13.5 / 4.5</gadget>
<output>3</output>

<result>3</result>