The base of a parallelogram is 9 decimeters, the area is 12.6 square decimeters, and the height is decimeters.
一个平行四边形的底是9分米，面积是12.6平方分米，高是多少分米．
<gadget id="calculator">12.6 / 9</gadget>
<output>1.4</output>

<result>1.4</result>