Divide a cake into 6 pieces on average, Xiaoxiao ate 2 pieces, and Naughty ate 3 pieces, what fraction of the cake did they eat together?
把一个蛋糕平均分成6块，笑笑吃了2块，淘气吃了3块，两人共吃了这个蛋糕的几分之几？
<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/3) + (1/2)</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>