The lengths of two sides of a parallelogram are 10cm and 7cm respectively, and the height of one side is 8cm. What is the area of this parallelogram in cm**2.
平行四边形两边长分别是10cm和7cm，其中一条边上的高是8cm，这个平行四边形的面积是多少cm**2．
<gadget id="calculator">7 * 8</gadget>
<output>56</output>

<result>56</result>