A football field is 108 meters long and its width is 40 meters shorter than its length. What is the area of the football field in square meters?
一块足球场地长108米，宽比长短40米，这块足球场地的面积是多少平方米？
<gadget id="calculator">108 - 40</gadget>
<output>68</output>

<gadget id="calculator">108 * 68</gadget>
<output>7_344</output>

<result>7_344</result>