There is a vegetable field, (2/15) grows radishes, and there are more kinds of cabbage than radishes (7/15). How much cabbage and radish are planted together? New-lesson-standard-first-one-network.
有一块菜地，(2/15)种萝卜，白菜比萝卜多种(7/15)．白菜和萝卜一共种了几分之几？新-课-标-第-一-网．
<gadget id="calculator">2 / 15</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">7 / 15</gadget>
<output>7/15 = around 0.466667</output>

<gadget id="calculator">(2/15) + (7/15)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(2/15) + (3/5)</gadget>
<output>11/15 = around 0.733333</output>

<result>11/15 = around 0.733333</result>