rectangle has a perimeter of 120 cm. If the length is reduced by 10 cm and the width is increased by 6 cm, the rectangle becomes a square. What is the area of the original rectangle?
有一长方形的周长为120厘米，如果将长减少10厘米，宽增加6厘米，则长方形变成正方形．原长方形的面积是多少？
<gadget id="calculator">120 / 2</gadget>
<output>60</output>

<gadget id="calculator">60 - 10 - 6</gadget>
<output>44</output>

<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">44 / 2</gadget>
<output>22</output>

<gadget id="calculator">60 - 22</gadget>
<output>38</output>

<gadget id="calculator">38 * 22</gadget>
<output>836</output>

<result>836</result>