The park square needs to expand a rectangular green space with an area of 700 square meters and a width of 9 meters. The length remains the same and the width is increased to 36 meters. What is the area of the green space after the expansion?
公园广场要扩大一块面积是700平方米，宽9米的长方形绿地，长不变，宽要增加到36米，扩建后绿地面积是多少？
<gadget id="calculator">700 / 9</gadget>
<output>700/9 = around 77.777778</output>

<gadget id="calculator">(700/9) * 36</gadget>
<output>2_800</output>

<result>2_800</result>