A parallelogram has a base of 7 meters and a height of 1.5 times the base. What is the area of the parallelogram?
一个平行四边形，底是7米，高是底的1.5倍，这个平行四边形的面积是多少？
<gadget id="calculator">7 * 1.5</gadget>
<output>10.5</output>

<gadget id="calculator">7 * 10.5</gadget>
<output>73.5</output>

<result>73.5</result>