If the length of a rectangle is reduced by 12 decimeters or the width is reduced by 8 decimeters, its area is reduced by 160 square decimeters. What is the area of the original rectangle?
一个长方形的长减少12分米，或宽减少8分米，它的面积都减少160平方分米．原来长方形的面积是多少平方分米？
<gadget id="calculator">160 / 8</gadget>
<output>20</output>

<gadget id="calculator">160 / 12</gadget>
<output>40/3 = around 13.333333</output>

<gadget id="calculator">20 * (40/3)</gadget>
<output>800/3 = around 266.666667</output>

<result>800/3 = around 266.666667</result>