A square is extended by (1/3) on one side and (1/4) on the other side to obtain a rectangle. How much does the area of the rectangle increase compared to the area of the square?
一个正方形，一边延长(1/3)，另一边延长(1/4)，得到一个长方形．长方形的面积比正方形面积增加了多少
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>