A vegetable field, in which (2/11) grows eggplants, (3/11) grows radishes, and (4/11) grows cabbage, please ask and answer two mathematical problems based on the information.
一块菜地，其中(2/11)种茄子，(3/11)种萝卜，(4/11)种白菜，请根据这些信息，提出两个数学问题并解答．
<gadget id="calculator">4 / 11</gadget>
<output>4/11 = around 0.363636</output>

<gadget id="calculator">3 / 11</gadget>
<output>3/11 = around 0.272727</output>

<gadget id="calculator">(4/11) - (3/11)</gadget>
<output>1/11 = around 0.090909</output>

<result>1/11 = around 0.090909</result>