The width of a rectangular nursery is 7 meters and the area is 238 square meters. If the length of the nursery remains the same and the width increases to 21 meters, what is the area of the enlarged nursery?
一块长方形苗圃的宽是7米，面积是238平方米，如果这个苗圃的长不变，宽增加到21米，扩大后的苗圃面积是多少平方米？
<gadget id="calculator">238 / 7</gadget>
<output>34</output>

<gadget id="calculator">34 * 21</gadget>
<output>714</output>

<result>714</result>