Xiaoyun's family has a rectangular vegetable field with an area of 68.4 square meters and a width of 7.2 meters. How many meters is it long?
小云家有一块长方形的菜地，面积是68.4平方米，宽是7.2米，长是多少米？
<gadget id="calculator">68.4 / 7.2</gadget>
<output>9.5</output>

<result>9.5</result>