A piece of rectangular paper, cut off (1/3) for the first time, and cut off the rest (1/2) for the second time, what fraction of the paper was cut out in total?
一张长方形纸，第一次裁去它的(1/3)，第二次裁去剩下的(1/2)，两次一共裁去这张纸的几分之几？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(2/3) * (1/2)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) + (1/3)</gadget>
<output>2/3 = around 0.666667</output>

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