A rectangular vegetable field is 120 meters long and 45 meters wide. What is the area of this vegetable field in square meters?
一块长方形的菜地，长120米，宽45米，这块菜地的面积是多少平方米？
<gadget id="calculator">120 * 45</gadget>
<output>5_400</output>

<result>5_400</result>