In a vegetable field, (5/9) of the radish and (1/9) of the cabbage are used, what percentage of the total area is the radish field and the cabbage field?
一块菜地，用其中的(5/9)种萝卜，(1/9)种白菜，萝卜地和白菜地一共占总面积的几分之几？
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">(5/9) + (1/9)</gadget>
<output>2/3 = around 0.666667</output>

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