The perimeter of a rectangle is 2002 meters, and the width is 5/8 of the length. If the length and width are each increased by 1 meter, the area of the resulting large rectangle is increased by how many square meters compared with the area of the original rectangle.
一个长方形的周长是2002米，宽是长的5/8．长、宽各增加1米，得到的大长方形面积比原来长方形面积增加了多少平方米．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 + (5/8)</gadget>
<output>13/8 = around 1.625</output>

<gadget id="calculator">2_002 / 2 / (13/8)</gadget>
<output>616</output>

<gadget id="calculator">616 + 1</gadget>
<output>617</output>

<gadget id="calculator">616 * (5/8)</gadget>
<output>385</output>

<gadget id="calculator">385 + 1</gadget>
<output>386</output>

<gadget id="calculator">617 * 386</gadget>
<output>238_162</output>

<gadget id="calculator">616 * 385</gadget>
<output>237_160</output>

<gadget id="calculator">238_162 - 237_160</gadget>
<output>1_002</output>

<result>1_002</result>