The width of a rectangular green space with a length of 8 meters is increased to 24 meters, and the length remains unchanged. How much is the expanded green area?
一块长为8米的长方形绿地的宽要增加到24米，长不变．扩大后的绿地面积是多少？
<gadget id="calculator">24 * 8</gadget>
<output>192</output>

<result>192</result>