If the side length of a square is 8 meters, if the side length is increased by 2 meters, how many square meters will the area increase?
一个正方形边长是8米，若边长增加2米，面积增加多少平方米
<gadget id="calculator">8 + 2</gadget>
<output>10</output>

<gadget id="calculator">10 * 10</gadget>
<output>100</output>

<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<gadget id="calculator">100 - 64</gadget>
<output>36</output>

<result>36</result>