The original area of a rectangular square is 1600 square meters. After reconstruction, the length of the rectangular square is expanded to 100 times of the original, and the width is reduced to the original (1/10). What is the area of the square after reconstruction?
一个长方形广场原来的面积是1600平方米，改建后，长方形广场的长扩大到原来的100倍，宽缩小到原来的(1/10)，改建后广场的面积是多少平方米？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1_600 * 100 * (1/10)</gadget>
<output>16_000</output>

<result>16_000</result>