24m long fence forms a rectangular vegetable field. If the length and width are 5:3, what is the width in m?
把24m长的篱笆围成一个长方形的菜地，如果长和宽按5：3来围的话，宽应该是多少m．
<gadget id="calculator">24 / 2</gadget>
<output>12</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">12 * (3/8)</gadget>
<output>9/2 = around 4.5</output>

<result>9/2 = around 4.5</result>