The perimeter of a rectangular vegetable field is 120 meters, and the ratio of length to width is 3:2. What is the area of this vegetable field in square meters?
一块长方形菜地的周长是120米，长与宽的比是3：2，这块菜地的面积是多少平方米．
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">120 / 2 / 5</gadget>
<output>12</output>

<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">36 * 24</gadget>
<output>864</output>

<result>864</result>