On the (1/1000) drawing, the area of a square is 16 square centimeters, what is its actual area in square meters?
在(1/1000)的图纸上，一个正方形的面积为16平方厘米，它的实际面积是多少平方米．
<gadget id="calculator">1 / 1_000</gadget>
<output>1/1_000 = around 0.001</output>

<gadget id="calculator">4 / (1/1_000) / 100</gadget>
<output>40</output>

<gadget id="calculator">40 * 40</gadget>
<output>1_600</output>

<result>1_600</result>