There is a square container with a side length of 25 cm, which is filled with water. There is a cuboid iron rod with a length of 50 cm and a cross-section of 12 square centimeters. Now insert the iron rod vertically into the water. Q: How many cubic centimeters of water will overflow?
有一个正方形容器，边长是25厘米，里面注满了水，有一根长50厘米，横截面是12平方厘米的长方体铁棒，现将铁棒垂直插入水中．问：会溢出多少立方厘米的水？
<gadget id="calculator">12 * 25</gadget>
<output>300</output>

<result>300</result>