The area of a rectangular playground is 480 square meters. If the length remains the same and the width is increased from 8 meters to 30 meters, how many square meters is the enlarged playground?
一块长方形操场的面积是480平方米，如果长不变，宽由原来的8米增加到30米，扩大后的操场面积是多少平方米？
<gadget id="calculator">480 / 8</gadget>
<output>60</output>

<gadget id="calculator">60 * 30</gadget>
<output>1_800</output>

<result>1_800</result>