A rectangular piece of land is 49 meters long and long (5/7) wide. What is the area of this piece of land in square meters?
一块长方形地，长49米，宽是长的(5/7)，这块地的面积是多少平方米？
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">49 * (5/7)</gadget>
<output>35</output>

<gadget id="calculator">49 * 35</gadget>
<output>1_715</output>

<result>1_715</result>