The students in the two groups watered the flowers, the first group watered (1/2) of the total number of flowers, the second group watered (1/3) of the total number of flowers, the two groups watered the total number of flowers.
两个小组的同学浇花，第一小组浇了总花数的(1/2)，第二小组浇了总花数的(1/3)，两个组一共浇了总花数的多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

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