The area of a parallelogram is 45cm**2, if its base is enlarged to 100 times of its original size, and its height is reduced to (1/10), what is the area of this parallelogram in cm**2?
一个平行四边形的面积是45cm**2，如果它的底扩大到原来的100倍，高缩小到原来的(1/10)，这个平行四边形的面积是多少cm**2．
<gadget id="calculator">10 / 1</gadget>
<output>10</output>

<gadget id="calculator">45 * 10</gadget>
<output>450</output>

<result>450</result>