There is a rectangular vegetable field, its width is 40 meters, its width is its length (5/12), what is the area of this vegetable field in square meters?
有一块长方形菜地，它的宽是40米，宽是长的(5/12)，这块菜地的面积是多少平方米？
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">40 / (5/12)</gadget>
<output>96</output>

<gadget id="calculator">96 * 40</gadget>
<output>3_840</output>

<result>3_840</result>