The swimming pool was originally 22 meters long and 15 meters wide. Now it is being expanded. After the expansion, the length will be increased by 8 meters and the width will be increased by 5 meters. What is the area occupied by the expanded swimming pool?
游泳池原长22米，宽15米，现进行扩建，扩建后，长增加8米，宽增加5米，扩建后的游泳池占地面积是多少？
<gadget id="calculator">22 + 8</gadget>
<output>30</output>

<gadget id="calculator">15 + 5</gadget>
<output>20</output>

<gadget id="calculator">30 * 20</gadget>
<output>600</output>

<result>600</result>