There is a vegetable field in the teacher's college that is 53 meters long and 23 meters less wide than the length. What is the area of this vegetable field?
教师院里有一块菜地长53米，宽比长少23米，这块菜地的面积是多少？
<gadget id="calculator">53 - 23</gadget>
<output>30</output>

<gadget id="calculator">53 * 30</gadget>
<output>1_590</output>

<result>1_590</result>