The cross-section of a cement pile is rectangular, 2.5 meters wide, and the cross-sectional area is 8.2 square meters. How many meters is the length of this cement pile?
一座水泥桩的横截面是长方形，宽2.5米，横截面的面积是8.2平方米，这这座水泥桩的长是多少米？
<gadget id="calculator">8.2 / 2.5</gadget>
<output>3.28</output>

<result>3.28</result>