If a rectangle whose length and width are 10 cm and 8 cm respectively is drawn into a parallelogram whose height is 9 cm, what is the area in square centimeters?
把一个长、宽分别是10厘米和8厘米的长方形，拉成一个一条高是9厘米的平行四边形，面积是多少平方厘米．
<gadget id="calculator">8 * 9</gadget>
<output>72</output>

<result>72</result>