There is a rectangle with a length of 8 cm and a width of 3 cm. If its length and width are increased by 2 cm respectively, how much does the area of the rectangle increase by cm**2?
有一个长方形长为8cm，宽为3cm，把它的长和宽分别增加2cm，那么这个长方形的面积增加了多少cm**2？
<gadget id="calculator">8 + 2</gadget>
<output>10</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">10 * 5</gadget>
<output>50</output>

<gadget id="calculator">8 * 3</gadget>
<output>24</output>

<gadget id="calculator">50 - 24</gadget>
<output>26</output>

<result>26</result>