A rectangular piece of land is 87 meters long and three times as wide. What is the area of this piece of land in square meters?
一块长方形地，长87米，是宽的3倍，这块地的面积是多少平方米？
<gadget id="calculator">87 / 3</gadget>
<output>29</output>

<gadget id="calculator">87 * 29</gadget>
<output>2_523</output>

<result>2_523</result>