A rectangular conference room is 13 meters long and 2 meters wide than its length. Now it is necessary to lay floor tiles on the floor of this conference room. If 4 floor tiles are required per square meter, the conference room needs such a total How many floor tiles?
一间长方形会议室，长13米，宽比长短2米，现在要给这间会议室的地面铺上地板砖，如果每平方米需要4块地板砖，铺好这间会议室共需要这样的地板砖多少块？
<gadget id="calculator">13 - 2</gadget>
<output>11</output>

<gadget id="calculator">13 * 11 * 4</gadget>
<output>572</output>

<result>572</result>