A square vegetable field has a side length of 6 meters. If (4/9) of this vegetable field is used to grow cucumbers, how many square meters is the area for growing cucumbers?
一块正方形菜地，它的边长是6米，用这块菜地的(4/9)种黄瓜，种黄瓜的面积是多少平方米？
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">6 * 6 * (4/9)</gadget>
<output>16</output>

<result>16</result>