In a vegetable field, (3/8) are eggplants, (2/5) are peppers, and the rest are cucumbers. What percentage of the land does cucumber grow?
一块菜地，它的(3/8)种茄子，(2/5)种辣椒，其余的种黄瓜．种黄瓜的地占这块地的几分之几？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (3/8) - (2/5)</gadget>
<output>9/40 = around 0.225</output>

<result>9/40 = around 0.225</result>