cuboid has a volume of 2800 cubic centimeters and a cross-section of a square with side lengths of 10 centimeters. What is the length of this piece of steel in centimeters?
一块长方体钢材的体积是2800立方厘米，横截面是边长为10厘米的正方形．这块钢材的长是多少厘米？
<gadget id="calculator">10 * 10</gadget>
<output>100</output>

<gadget id="calculator">2_800 / 100</gadget>
<output>28</output>

<result>28</result>